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Exam Code: 1Z0-809 Practice exam 2022 by Killexams.com team
1Z0-809 Java SE 8 Programmer II
Exam Title: Java SE 8 Programmer II Exam Number: 1Z0-809 Format: Multiple Choice Duration: 150 minutes Number of Questions: 85 Passing Score: 65% Validated Against: This exam is validated against Java SE 8. Java Class Design
Implement encapsulation
Implement inheritance including visibility modifiers and composition
Implement polymorphism
Override hashCode, equals, and toString methods from Object class
Create and use singleton classes and immutable classes
Develop code that uses static keyword on initialize blocks, variables, methods, and classes

Generics and Collections
Create and use a generic class
Create and use ArrayList, TreeSet, TreeMap, and ArrayDeque objects
Use java.util.Comparator and java.lang.Comparable interfaces
Collections Streams and Filters
Iterate using forEach methods of Streams and List
Describe Stream interface and Stream pipeline
Filter a collection by using lambda expressions
Use method references with Streams

Java Stream API
Develop code to extract data from an object using peek() and map() methods including primitive versions of the map() method
Search for data by using search methods of the Stream classes including findFirst, findAny, anyMatch, allMatch, noneMatch
Develop code that uses the Optional class
Develop code that uses Stream data methods and calculation methods
Sort a collection using Stream API
Save results to a collection using the collect method and group/partition data using the Collectors class
Use flatMap() methods in the Stream API

Use Java SE 8 Date/Time API
Create and manage date-based and time-based events including a combination of date and time into a single object using
LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration
Work with dates and times across timezones and manage changes resulting from daylight savings including Format date and times values
Define and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnit

Java File I/O (NIO.2)
Use Path interface to operate on file and directory paths
Use Files class to check, read, delete, copy, move, manage metadata of a file or directory
Use Stream API with NIO.2

Building Database Applications with JDBC
Describe the interfaces that make up the core of the JDBC API including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations
Identify the components required to connect to a database using the DriverManager class including the JDBC URL
Submit queries and read results from the database including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connections

Assume the following:
Missing package and import statements: If sample code do not include package or import statements, and the question does not explicitly refer to these missing statements, then assume that all sample code is in the same package, or import statements exist to support them.
No file or directory path names for classes: If a question does not state the file names or directory locations of classes, then assume one of the following, whichever will enable the code to compile and run:
All classes are in one file
Each class is contained in a separate file, and all files are in one directory
Unintended line breaks: sample code might have unintended line breaks. If you see a line of code that looks like it has wrapped, and this creates a situation where the wrapping is significant (for example, a quoted String literal has wrapped), assume that the wrapping is an extension of the same line, and the line does not contain a hard carriage return that would cause a compilation failure.
Code fragments: A code fragment is a small section of source code that is presented without its context. Assume that all necessary supporting code exists and that the supporting environment fully supports the correct compilation and execution of the code shown and its omitted environment.
Descriptive comments: Take descriptive comments, such as "setter and getters go here," at face value. Assume that correct code exists, compiles, and runs successfully to create the described effect.

Advanced Java Class Design
Develop code that uses abstract classes and methods
Develop code that uses the final keyword
Create inner classes including static inner class, local class, nested class, and anonymous inner class
Use enumerated types including methods, and constructors in an enum type
Develop code that declares, implements and/or extends interfaces and use the @Override annotation.
Create and use Lambda expressions

Lambda Built-in Functional Interfaces
Use the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier
Develop code that uses primitive versions of functional interfaces
Develop code that uses binary versions of functional interfaces
Develop code that uses the UnaryOperator interface

Exceptions and Assertions
Use try-catch and throw statements
Use catch, multi-catch, and finally clauses
Use Autoclose resources with a try-with-resources statement
Create custom exceptions and Auto-closeable resources
Test invariants by using assertions

Java I/O Fundamentals
Read and write data from the console
Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, FileInputStream, FileOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter in the java.io package.

Java Concurrency
Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks
Identify potential threading problems among deadlock, starvation, livelock, and race conditions
Use synchronized keyword and java.util.concurrent.atomic package to control the order of thread execution
Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList
Use parallel Fork/Join Framework
Use parallel Streams including reduction, decomposition, merging processes, pipelines and performance.
Localization
Read and set the locale by using the Locale object
Create and read a Properties file
Build a resource bundle for each locale and load a resource bundle in an application
Java SE 8 Programmer II
Oracle Programmer teaching
Killexams : Oracle Programmer teaching - BingNews https://killexams.com/pass4sure/exam-detail/1Z0-809 Search results Killexams : Oracle Programmer teaching - BingNews https://killexams.com/pass4sure/exam-detail/1Z0-809 https://killexams.com/exam_list/Oracle Killexams : Junior Oracle Developer

I am looking for a Oracle Applications Developer that will be responsible for designing, developing, customizing and integrating Oracle e-Business Suite applications with other systems, and providing ongoing support and future enhancements of those solutions

The successful person will need to have a total of 1-3 Years’ of solid experience in Oracle E-Business Suite (Oracle EBS). Technical knowledge of Oracle applications, Oracle SQL and PL-SQL development is required. Some experience with RICE (Reports, Interfaces, Conversions, Extensions), Forms, BI Publisher Reports/XML Publisher, Workflow, OAF, sqldeveloper and Linux Shell Scripting. Exposure to one or more of the following Oracle EBS modules: Financials, Projects, Procurement, Asset Management, HR and Payroll.

Responsibilities will include;

  • Ensuring Oracle EBS portfolio of applications are designed to meet evolving business requirements and meet coding and application standards for reliability, scalability, availability, and usability.
  • This position will also work with team members as needed to scope, design, develop, test, support and enhance Oracle e-Business Suite, Oracle SOA and Oracle ADF solutions.
  • Design Develop utilities to ensure we have modular approach in programming for uniformity & to Excellerate productivity.
  • Work with Oracle functional business and system analysts to gather business requirements, translate them into specifications documents.
  • Responsible for coding and unit testing application software across production support, enhancements and projects.

Desired Skills:

Desired Qualification Level:

About The Employer:

Tax, Advisory and Audit firm collectively employing more than 200,000 people across the globe, serving the needs of business, governments, public-sector agencies, not-for-profits and through member firms’ audit and assurance practices, the capital markets.

Learn more/Apply for this position

 Wed, 28 Sep 2022 12:00:00 -0500 en-US text/html https://it-online.co.za/2022/09/29/junior-oracle-developer/ Killexams : Junior Oracle Developer – Gauteng Parktown

I am looking for a Oracle Applications Developer that will be responsible for designing, developing, customizing and integrating Oracle e-Business Suite applications with other systems, and providing ongoing support and future enhancements of those solutions

The successful person will need to have a total of 1-3 Years’ of solid experience in Oracle E-Business Suite (Oracle EBS). Technical knowledge of Oracle applications, Oracle SQL and PL-SQL development is required. Some experience with RICE (Reports, Interfaces, Conversions, Extensions), Forms, BI Publisher Reports/XML Publisher, Workflow, OAF, sqldeveloper and Linux Shell Scripting. Exposure to one or more of the following Oracle EBS modules: Financials, Projects, Procurement, Asset Management, HR and Payroll.

Responsibilities will include;

  • Ensuring Oracle EBS portfolio of applications are designed to meet evolving business requirements and meet coding and application standards for reliability, scalability, availability, and usability.
  • This position will also work with team members as needed to scope, design, develop, test, support and enhance Oracle e-Business Suite, Oracle SOA and Oracle ADF solutions.
  • Design Develop utilities to ensure we have modular approach in programming for uniformity & to Excellerate productivity.
  • Work with Oracle functional business and system analysts to gather business requirements, translate them into specifications documents.
  • Responsible for coding and unit testing application software across production support, enhancements and projects.

Desired Skills:

Desired Qualification Level:

About The Employer:

Tax, Advisory and Audit firm collectively employing more than 200,000 people across the globe, serving the needs of business, governments, public-sector agencies, not-for-profits and through member firms’ audit and assurance practices, the capital markets.

Learn more/Apply for this position

 Wed, 28 Sep 2022 12:00:00 -0500 en-US text/html https://it-online.co.za/2022/09/29/junior-oracle-developer-gauteng-parktown/ Killexams : Oracle Launches Public Safety Platform for Rapid Response

Oracle seeks to help law enforcement and first responders handle emergency situations through its new technology platform, Oracle Public Safety Services.

The platform is developed to provide emergency response workers with real-time information and situational awareness to help their decision-making process, the information technology company said Sunday. 

Oracle Public Safety Services is also designed to do away with data silos and remove manual busy work.

Oracle has utilized its cloud infrastructure and worked with local government authorities, emergency medical service experts and law enforcement technology professionals for the development of its public safety platform.

The Oracle Public Safety Services suite includes a computer-aided dispatch command center for emergency call management and dispatch, wearable computer communications and camera system for officers, real-time video communication tools, a touch-talk-listen tablet application for vehicle communication and coordination, as well a cloud-based law enforcement records and jail management systems. 

“We designed our systems to make the on-scene experience less isolating and emotionally charged by enabling responders to act as a blended team with someone monitoring the situation remotely,” said Steve Seoane, senior vice president and general manager for Oracle’s local government operations. 

 Mon, 17 Oct 2022 08:39:00 -0500 Regina Garcia en-US text/html https://executivegov.com/2022/10/oracle-launches-public-safety-platform-for-rapid-response/ Killexams : ‘We don’t teach developers how to write secure software’ – Linux Foundation’s David A Wheeler on reversing the CVE surge

Teach devs security fundamentals to bolster supply chain resilience, argues Wheeler

Coding school

Addressing a decades-old deficiency in coding curriculums could have a profound effect on the security of the software supply chain, a leading expert on the subject tells The Daily Swig.

In particular, David A Wheeler, director of open source supply chain security at the Linux Foundation, draws a link between a failure to incorporate security into entry-level developer courses and the vast majority of vulnerabilities belonging to a small number of common bug classes.

The IT PhD and Certified Information Systems Security Professional (CISSP) also moonlights as adjunct professor of computer science at Virginia’s George Mason University, and in 2020 concluded a 33-year spell at the US Institute for Defense Analyses.

Daily Swig: David, can you summarize your background and what your current roles involve?

David A Wheeler: I’ve loved computers since junior high school and paid my way through school doing computer consulting. I also briefly maintained the world’s first commercial, entirely text-based multiplayer roleplaying game, Scepter of Goth.

Now I teach at George Mason University on how to develop secure software – which I’ve studied over many decades.

Most of my work is with the Open Source Security Foundation, OpenSSF [whose members include AWS, Google, and Microsoft]. I view my role as being a kind of catalyst or accelerant. I can run around as a subject matter expert to help organizations Excellerate the security of their software.

David Wheeler, The Linux FoundationDavid A Wheeler has studied the secure development of software for decades

DS: And what are the biggest barriers to improving application security?

DAW: The fundamental problem is that we do not teach software developers how to write secure software.

I don't care if it’s a separate course or embedded [in other coding courses] – that's not the question. The question is: when software developers are learning the basics of their craft, do they learn the basics of developing secure software? And the answer is mostly “no”.

A 2019 Forrester study found that none of the top US coding schools and none of the top five non-US computer science schools were teaching this. Another study found that only one school did – at UC, San Diego. So good for them, shame on the rest.

DS: Let’s imagine all coding schools immediately revamped their courses to incorporate security fundamentals. Would we see a steady fall in vulnerabilities as a new wave of security-savvy developers emerge?

DAW: It’s generally estimated that somewhere between 90% to 95% of all vulnerabilities are in a relatively small set of common ones [classes].

So, if you educate developers to prevent them systemically, and then use tools to find the stragglers, we can dramatically reduce by at least one order of magnitude – and maybe two – the number of vulnerabilities that actually slip out.

They can also find and fix the problems created in the past.

Right now, detection, response, and recovery is overwhelmed by the sheer number of vulnerabilities going into deployed systems, so it will be much easier to counter the attackers when vulnerabilities are much rarer. And that's really the argument of ‘shift left’ in general: the sooner you can get rid of the problems, the better.

DS: Why is security neglected in the coding curriculum given the potentially severe consequences of software vulnerabilities?

DAW: Our educational system does not always respond to societal needs. There was an open letter written by Oracle and some other folks 10, 15 years ago or so, where they basically begged universities [to educate them properly].

But sometimes they [universities] want to teach what they want to teach, and it doesn’t matter what society’s needs are.

DS: Could this partially reflect the fact that many educators learned their craft when cyber threats were less numerous and severe?

DAW: On the [early] internet people were mostly connected to folks they felt they could trust. But once you saw this growth of the internet and the worldwide web running on top of it in the 90s, then very quickly [they realized] no, you can’t just trust arbitrary computers you connect to.

But educational conservatism isn’t all bad. It’s actually sensible to teach things that have stood the test of time, which security has. The fundamental [computing] design principles have been known [about] since the 1970s.

RECOMMENDED ‘Security teams often fight against developers taking control’ of AppSec: Tanya Janca on the drive to DevSecOps adoption

DS: Might there be a commercial incentive at work that favours coding quickly over coding securely?

DAW: Maybe to some extent for the for-profits, but I think the bigger for-profit issue is that if you know how to do [secure development], you can probably earn double or triple in industry [compared to teaching]. You’re not gonna teach.

I teach, but that’s my side hustle. I enjoy teaching. George Mason University is 20 minutes from me and more connected to industry than some other universities.

DS: How do we persuade or incentivize education providers to embed security into coding courses?

DAW: I think this is a solvable problem – basically, society needs to scream more loudly.

The US spends a tremendous amount of money financing degrees, including computer science. If we’re gonna pay, maybe we could have some criteria?

DS: Could the impetus behind ‘shifting left’ or DevSecOps help persuade education providers to change emphasis?

DAW: I would like to think so, but I think it’s much more societal and industry pressure continuing over a period of time [that will make the difference].

Right now DevSecOps [is practised properly by] a minority, and we need to make sure that [secure development is practised] not just the majority, but is [a baseline] expectation [of all developers].

ddddDevelopers are not being taught general security principles – let alone how to apply them, says Wheeler

Years ago, I pushed really hard to get security added to a course on software engineering and after a lot of pressure and debate [the provider] finally added the word ‘security’ – no content, just that security might be important!

The ACM software engineering curriculum guidance at least does talk about knowing how to develop secure software, but lacks key specifics.

But I'm willing to believe that with continued emphasis we can get academia and many other organizations on board with making sure that software developers know the fundamentals.

DS: What fundamentals should newbie developers be taught?

DAW: What are the common problems? How do we prevent them in general? How do you design software so it’s less likely to be attacked? And what kind of tools can help developers to deal with that?

These general principles and the ability to apply them are important [skills] but lacking today.

Read more secure software development news

The first thing I did when I joined the Linux Foundation in 2020 as an employee was develop a course on developing secure software fundamentals. Thousands of people have now signed up.

George Mason University initially agreed to do my course every other semester, and very quickly, it's in every semester – it’s in demand.

But it’s an optional graduate course. We do need, in society, people who drill in deeper and [become experts], but we also need every developer to know the basics.

DS: How important is it that developers understand how to use security tools?

DAW: If you’re doing DevOps, you pretty much need a CI pipeline, and this is an obvious place to insert security tools. But if the developer doesn't know what they’re doing, they won’t know what the tool is telling them and what to do about it.

A fool with a tool is still a fool. They’re not stupid – it's just that no one has told them. Education and tooling go hand in hand.

The tools are going to miss things or report things that are not actually problems in context. Computer programs don’t – can’t – know the full context.

But as long as developers know which tools to use and how, then they can do [some] amazing things.

DS: Finally, anything to say on OpenSSF’s various initiatives aimed at bolstering software supply chain security?

DAW: Whether it’s industry, academia or governments, we’re all using open source software, so my first pitch would be: get involved with the OpenSSF. We would love to see more people involved.

I was deeply involved in the concise guides for developing secure software and evaluating open source software. And earlier, the OpenSSF published guides for open source projects and security researchers on [handling] coordinated [vulnerability] disclosure.

The Alpha-Omega Project has funded the Python Software Foundation and is funding Eclipse, Node... They’re announced a new partnership with Rust. They've released some tools for finding vulnerabilities – again, trying to shift left.

There’s also some funding for SBOM work, a tool for a Python library for SPDX [Software Package Data Exchange], and an [enterprise] end users working group kicking off.

RELATED Developers still struggling with security issues during code reviews, study finds

 Fri, 14 Oct 2022 02:15:00 -0500 en text/html https://portswigger.net/daily-swig/we-dont-teach-developers-how-to-write-secure-software-linux-foundations-david-a-wheeler-on-reversing-the-cve-surge Killexams : Programming languages: Java 19 arrives and here's what's new
Image: Shutterstock

Oracle has announced the availability of Java 19 and Oracle JDK 19 for developers, the latest versions of what is arguably the world's most popular programming language. 

JDK (Java Development Kit) 19 arrives about six months after Java 18 and exactly a year after Java 17 – the most accurate long-term support (LTS) release of Java.

With the release of Java 17, Oracle announced plans to move JDK LTS releases from every three years to every two years, meaning the next LTS release will be Java 21 in September 2023. 

The open-source version of JDK 19 OpenJDK 19 is also available from Oracle under the GNU General Public License, version 2, with the Classpath Exception.

Also: The most popular programming languages and where to learn them

Oracle now releases new versions of Java every six months in March and September with the aim of giving developers smaller but more frequent updates than its previous big-bang updates every few years. LTS releases remain supported for at least eight years. 

As noted by Sharat Chander, Oracle's director of Java SE product management, JDK 17 was the second LTS under the release cadence announced in 2018. With it, Oracle introduced "new and simpler license terms" that allowed companies to use it at "no cost for at least the next three years, allowing one full year of overlap with the next LTS release."  

Oracle explained at the time that JDK 17 and future JDK releases are provided under Oracle's No-Fee Terms and Conditions (NFTC) license, a free-to-use license for Java 17. The license lasts for a year after the next LTS release and then Java 17 moves under the Oracle Technology Network License. 

Java 17 was a big deal. A survey by Java dev tool maker Perforce earlier this year found that 37% of its users were still on Java 8, which was released in March 2014. A further 29% used Java 11, released in September 2018. Both are LTS releases. Some 37% of the Perforce's 876 Java users planned to move to Java 17 LTS.  

That's a rather small sample of Java developers worldwide. Oracle notes that tech analyst IDC estimates there are 10 million Java developers, representing about 75% of full-time developers. Java ranks in the top three most-popular languages across multiple indexes, along with JavaScript/TypeScript and Python.

There's Java the programming language and then there are several Java platforms that Java apps run in, consisting of the Java Virtual Machine or "JVM" and its application-programming interfaces. The two main platforms are Java Standard Edition (Java SE) and Java Enterprise Edition (Java EE). 

Chander notes that "Java SE subscribers get access to Oracle's Java SE Support and commercial features such as GraalVM Enterprise, Java Management Service and the Advanced Management Console," pointing users to The New Java SE License Terms blog for details about the license. 

As for new technical features, Java 19 includes seven JDK enhancement proposals (JEP), but they're mostly preview or incubator features.

Notably, Java 19 includes JEP 422 - Linux/RISC-V Port, which ports the JDK to the open-source Linux RISC-V architecture. RISC-V has in various measures won the support of Intel via its new foundry services business and NASA, which wants to use RISC-V chips for its next-generation spaceflight computers.  

The RISC-V (pronounced "risk-five") standard was invented by University of California Berkeley professors David Patterson and Krste Asanović 12 years ago. Developers are free to change a RISC-V chip's instruction set architecture (ISA) versus the closed ISAs of Intel x86 and Arm processors.  

Another interesting addition is JEP 425 "Virtual Threads (Preview)" for the Java platform. Virtual Threads is the first JEP as part of Project Loom, a multi-year effort to Excellerate Java's performance on large server applications. 

"Virtual Threads are lightweight threads that dramaticaly reduce the effort of writing, maintaining, and observing high-throughput concurrent applications," note the proposal's authors.

Also: How to run websites as apps with ease in Linux

Chander explains the benefits of virtual threads versus Java's threads and how Project Loom aims to come up with an alternative to the three "bad options" developers have, which is to waste hardware through underutilization, waste programmer effort with worse programming models and observability, or switch away from Java.

"There are a lot of great things about Java's threads. They offer a natural programming model, with readable, sequential code using control flow operators that users understand – loops, conditionals, exceptions. Users get great debugging and serviceability, and readable stack traces. And threads are natural units of scheduling for OSes," Chander points out.

"The problem is that the implementation of threads by the OS is too heavyweight. It takes too long to start a thread for each connection, but worse, the number of threads the OS can support at any one time limits the number of concurrent transactions a server can handle – to well below the capacity of the hardware or the network – and so threads become a severe constraining factor on server throughput."

He said many people assumed Oracle would embrace the asynchronous programming style offered by so-called "reactive" frameworks but added: "Reactive may be the best people can do with the current JVM, but our goal is to do better, which we can do by making threads lighter and more scalable, letting developers keep using the model and tooling they've been using successfully for years."

Here's a list of all seven JEPs in Java 19: 

 Wed, 21 Sep 2022 12:00:00 -0500 en text/html https://www.zdnet.com/article/programming-languages-java-19-arrives-and-heres-whats-new/ Killexams : Oracle Releases Java 19

New release delivers seven JDK Enhancement Proposals to increase developer productivity, Excellerate the Java language, and enhance the platform's performance, stability, and security

Java 19's key capabilities to be showcased at JavaOne 2022 in Las Vegas on October 17-20

AUSTIN, Texas, Sept. 20, 2022 /PRNewswire/ -- Oracle today announced the availability of Java 19, the latest version of the world's number one programming language and development platform. Java 19 (Oracle JDK 19) delivers thousands of performance, stability, and security improvements, including enhancements to the platform that will help developers Excellerate productivity and drive business-wide innovation. Oracle will showcase the latest capabilities in Java 19 at JavaOne 2022, taking place October 17-20 in Las Vegas, and via a keynote broadcast airing on dev.java/ at 9:00 a.m. PT on Tuesday, September 20.

(PRNewsfoto/Oracle)

"Our ongoing collaboration with the developer community is the lifeblood of Java. As the steward of Java, Oracle is steadfastly committed to providing developers and enterprises with the latest tools to help them create innovative apps and services," said Georges Saab, senior vice president of development, Java Platform and Chair, OpenJDK Governing Board, Oracle. "The powerful new enhancements in Java 19 are a testament to the monumental work across the global Java community."

The latest Java Development Kit (JDK) provides updates and improvements with seven JDK Enhancement Proposals (JEPs). Most of these updates are to be delivered as follow-up preview features improving on functionality introduced in earlier releases.

JDK 19 delivers language Improvements from OpenJDK project Amber (Record Patterns and Pattern Matching for Switch); library enhancements to interoperate with non-Java Code (Foreign Function and Memory API) and to leverage vector instructions (Vector API) from OpenJDK project Panama; and the first previews for Project Loom (Virtual Threads and Structured Concurrency), which will drastically reduce the effort required to write and maintain high-throughput, concurrent applications in Java.

"Java developers are increasingly seeking tools to help them efficiently build highly functional applications for deployment in the cloud, on-premises, and in hybrid environments," said Arnal Dayaratna, research vice president, software development, IDC. "The enhancements in Java 19 deliver on these requirements and illustrate how the Java ecosystem is well-positioned to meet the current and future needs of developers and enterprises."

Oracle delivers new Java Feature releases every six months via a predictable release schedule. This cadence provides a steady stream of innovations while delivering continuous improvements to the platform's performance, stability, and security, helping increase Java's pervasiveness across organizations and industries of all sizes.

The most significant updates delivered in Java 19 are:

Updates and Improvements to the Language

  • JEP 405: Record Patterns (Preview): Enables users to nest record patterns and type patterns to create a powerful, declarative, and composable form of data navigation and processing. This extends pattern matching to allow for more sophisticated and composable data queries.

  • JEP 427: Pattern Matching for Switch (Third Preview): Enables pattern matching for switch expressions and statements by permitting an expression to be tested against a number of patterns. This allows users to express complex data-oriented queries concisely and safely.

Library Tools

  • JEP 424: Foreign Function and Memory API (Preview): Enables Java programs to more easily interoperate with code and data outside of the Java runtime. By efficiently invoking foreign functions (i.e., code outside the Java Virtual Machine [JVM]), and by safely accessing foreign memory (i.e., memory not managed by the JVM), this API enables Java programs to call native libraries and process native data via a pure Java development model. This results in increased ease-of-use, performance, flexibility, and safety.

  • JEP 426: Vector API (Fourth Incubator): Enables superior performance compared to equivalent scalar computations by expressing vector computations that reliably compile at runtime to vector instructions on supported CPU architectures.

Ports

Project Loom Preview/Incubator Features

  • JEP 425: Virtual Threads (Preview): Dramatically reduces the effort of writing, maintaining, and observing high-throughput concurrent applications by introducing lightweight virtual threads to the Java Platform. Using virtual threads allows developers to easily troubleshoot, debug, and profile concurrent applications with existing JDK tools and techniques.

  • JEP 428: Structured Concurrency (Incubator): Streamlines error handling and cancellation, improves reliability, and enhances observability by simplifying multithreaded programming and treating multiple tasks running in different threads as a single unit of work.

Driving Java Innovation in the Cloud

The Java 19 release is the result of extensive collaboration between Oracle engineers and other members of the worldwide Java developer community via the OpenJDK Project and the Java Community Process (JCP). In addition to new enhancements, Java 19 is supported by Java Management Service – an Oracle Cloud Infrastructure (OCI) native service – that provides a single pane of glass to help organizations manage Java runtimes and applications on-premises or on any cloud.

Supporting Java Customers

The Oracle Java SE Subscription is a pay-as-you-go offering that provides customers with best-in-class support, entitlement to GraalVM Enterprise, access to the Java Management Service, and the flexibility to upgrade at the pace of their businesses. This helps IT organizations manage complexity, contain costs, and mitigate security risks. In addition, Java SE and GraalVM Enterprise are offered free of charge on OCI, enabling developers to build and deploy applications that run faster, better, and with unbeatable cost-performance on Oracle Cloud. 

Underscoring Java's popularity with the global developer community, Oracle is proud to recognize the one millionth completed Java certification. Java certifications help developers stand out as Java experts and raise their profiles with enterprises seeking to attract highly skilled Java professionals.

Additional Resources

About Oracle

Oracle offers integrated suites of applications plus secure, autonomous infrastructure in the Oracle Cloud. For more information about Oracle (NYSE: ORCL), please visit us at www.oracle.com.

Trademarks

Oracle, Java, and MySQL are registered trademarks of Oracle Corporation.

Cision

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SOURCE Oracle

 Tue, 20 Sep 2022 04:04:00 -0500 en-US text/html https://finance.yahoo.com/news/oracle-releases-java-19-151000595.html Killexams : 25 Reasons to Get Excited About Teaching

Louie F. Rodriguez

Louie F. Rodriguez is a professor and the Bank of America Chair of Education Leadership, Policy, and Practice in the School of Education at the University of California, Riverside.

Teaching at any level is one of the toughest jobs out there. Today, teachers are increasingly faced with challenges that may bring one to question whether they should even consider entering the profession at all. Whether it is the ongoing need for substitute teachers as the pandemic persists, controversies over curriculum, the ebbs and flows of school policy and practice, or the day-to-day working conditions that impact teacher life, there is certainly no shortage of issues that confront the field.

These conditions can leave an educator asking: “Should I even teach at all?” “Is it worth it?” “Will these larger challenges impact the quality of my experience as a qualified, credentialed, and dedicated classroom teacher?” For example, will I, as a teacher, be able to use research-informed pedagogical approaches that I have been taught in my teacher-preparation program? Will I be able to inspire and mentor students and even use my own educational journey to engage students in the classroom?

While these concerns certainly bring a series of potential challenges, I often think about the powerful role that educators and teaching play in our society, especially in the context of the last two years. For example, we know that vulnerable communities that have been disproportionately impacted by the pandemic were already marginalized by social, political, economic, education, and health-related disparities before March of 2020. These realities make the promise of education and the role of the teacher and teaching so much more significant in today’s context, especially for our nation’s most vulnerable.

It is in this context that I developed 25 reasons to teach. Rather than allowing the possible obstacles to teaching cloud our perspective on why the profession is so vital today, let’s focus on the opportunities that teaching brings every single day to the classroom. I think this is particularly relevant for teachers starting a new school year, future teachers currently in teacher education programs, and future teachers who are considering the field of education.

As a current or future educator, your teaching will likely provide you with opportunities to do the following:

  1. Build a meaningful connection with a student.
  2. Prioritize a student’s humanity.
  3. Allow students to reinvent themselves every single day.
  4. Exercise maximum flexibility, especially as we continue to navigate the pandemic.
  5. Recognize the collective trauma from No. 4 and its ongoing impact on just “being,” not only for students, but for teachers and families as well.
  6. Be a teacher who gives students second, third, and fourth chances.
  7. Reduce past systemic harm once the student enters your classroom by promoting equity-driven practices.
  8. Build community with your fellow teachers in your school, district, and/or community.
  9. Establish a partnership with families, especially those who have struggled to build such partnerships in the past.
  10. Spark an interest in learning for the seemingly disengaged student.
  11. Recognize the leadership qualities in that one student who needed to hear the words, “You are a leader.”
  12. Provide students with an intentional space for hearing their voices in the classroom.
  13. Inspire students by showing them who they were, who they are, and where they are going.
  14. Show students their community’s excellence.
  15. Redefine what educational excellence looks like in students’ various communities (peers, families, communities, society).
  16. Reflect back to your students their historical, cultural, and community contributions.
  17. Be the one teacher who your students look forward to seeing every day.
  18. Provide your students with instruction that validates their life experiences.
  19. Create pedagogical activities that (re)position students as teachers and facilitators of learning.
  20. Redefine “knowledge” with your students; students are indeed creators of knowledge.
  21. Model equitable practices in the classroom; equity is more than a principle but is also an action.
  22. Center cariño (care) within the educational endeavor.
  23. Forge hope for students in your classroom every single day.
  24. Wake up every single day knowing that you will make a difference in the life of a student.
  25. Realize the promise of public schooling every single day through your teaching and dedication.

While it is understandable that teachers and some prospective teachers may be questioning—or even doubting the teaching profession—my hope is that current and prospective teachers realize that they are in the right place and that our students, families, and communities need them. Teachers cannot do this important work alone and our leaders, policymakers, and teacher development professionals play a critical role in ensuring their success, especially in the context of all that the profession is.

Education Week Opinion welcomes submissions from a range of perspectives within the K-12 education community. Regardless of your role in education, we want to hear from you.

 Tue, 27 Sep 2022 07:28:00 -0500 en text/html https://www.edweek.org/teaching-learning/opinion-25-reasons-to-get-excited-about-teaching/2022/09 Killexams : VirtualBox 7 remotes into Oracle Cloud

Oracle VM VirtualBox 7, the latest release of the company’s open source, cross-platform virtualization software, integrates with Oracle Cloud Infrastructure (OCI) for remote control of cloud-hosted VMs, adds support for fully encrypted VMs, enhances 3D video support, and features an automated virtual machine builder.

The upgrade was unveiled October 12. VirtualBox 7 is intended to help devops engineers and distributed teams increase productivity, easing the creation and management of VMs and removing the complexity of configuring them for the cloud. Management of multiple physical systems is also addressed in the new release.

Oracle Cloud Infrastructure integration in VirtualBox 7 enables users to centrally manage development and production VMs running either on-premises or on OCI instances using any VirtualBox-supported operating system, such as Linux, Windows, and MacOS. With a single command or button push, users can export a VM from an on-premises host and run it on OCI, or import a VM from OCI to the user’s local computer.

Oracle VM VirtualBox is downloadable from oracle.com. Other capabilities in VirtualBox 7:

  • For management of VMs, an enhanced GUI simplifies management of VMs on OCI and on-premises devices, providing a centralized dashboard showing resources used by each VM.
  • An automated VM builder accelerates the time to build and run a VM by automating the creation of VMs using the unattended installation feature or open source Vagrant boxes. VMs can be brought up in less than a minute.
  • Full encryption of VMs uses AES 128-bit or 256-bit encryption for VM data, logs, and configuration files without impacting performance.
  • Enhanced 3D support in VMs using DirectX 11/OpenGL support. 3D applications can be run including conferencing and CAD.
  • Enhanced nested virtualization supports running VMs with Microsoft Windows 10 and Windows 11 fully virtualized, which by default require Hyper-V.

Oracle is providing a developer preview of an installer package for macOS/Arm64 systems using an Apple Silicon CPU to run some guest operating systems for Intel/AMD x86 CPUs in emulation. The preview is a work in progress and provides early access to unsupported software features. VirtualBox 6.0 arrived in December 2018.

Copyright © 2022 IDG Communications, Inc.

 Wed, 12 Oct 2022 15:58:00 -0500 en text/html https://www.infoworld.com/article/3676570/virtualbox-7-remotes-into-oracle-cloud.html Killexams : Online Teaching Platform Market Current Scenario, Market Player and Future Prospects 2028 - SAP, Microsoft, Oracle, MAXIMUS

The MarketWatch News Department was not involved in the creation of this content.

Sep 26, 2022 (Market Insight Reports) -- The Online Teaching Platform market Industry Report provides in-depth market data as well as sharp insights on the market’s size, growth, forecasts, and other issues. Additionally, it provides accurate Online Teaching Platform market statistics for the business as well as an industry viewpoint for projections through 2022. We provide resources for the benefit of executives, marketing, and sales. Product managers, consultants, analysts, and anyone looking for essential industry data in a single, easily accessible document may also obtain well-organised tables and graphs. The worldwide Online Teaching Platform market is further segmented in the research study by major rivals and brands, regions, product categories, and end users. This study also looks at the potential and difficulties, distribution routes, market shares, growth rates, and competitive environments of the international market.

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The report will also include information on the top companies in the Online Teaching Platform market shares, financial standing, regional shares, segment revenues, key business strategies like mergers and acquisitions, product developments, joint ventures and partnerships, and expansion, as well as the most accurate press releases from those companies. The report will also include a list of accurate Online Teaching Platform market entries.

The prominent players in the Global Online Teaching Platform Market:

SAP, Microsoft, Oracle, MAXIMUS, Merit Software, Tyler Tech, SEAS, Articulate Global

The report also examines the Online Teaching Platform market’s current state of development and global market trends. In order to thoroughly and deeply investigate and disclose the market profile and prospects, it also divides market segmentation by type and by applications.

Based on Types, the Online Teaching Platform Market is segmented into:

Installed-PC Software

Installed-Mobile Software

Based on Application, the Online Teaching Platform Market is segmented into:

Household

School

Others

Online Teaching Platform Market Region Coverage (Regional Status, Demand & Trend Forecast by Countries, etc.):

North America, Europe, China, Japan, Southeast Asia, India.
North America (USA, Canada, and Mexico).
Europe (Germany, France, UK, Russia and, Italy).
Asia-Pacific (China, Japan, Korea, India and, Southeast Asia).

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Key Segments Covered in the Global Online Teaching Platform Market:

– Market Forecast Analysis for 2022-2028
– Growth Drivers and Barriers, Market Trends, Market Opportunities, Porter's Five Forces Analysis
– Online Teaching Platform Market Overview, Industry Development, Market Maturity, Value Chain Analysis
– Regional & Country Level Analysis
– Market Segment Trend and Forecast
– Online Teaching Platform Market Analysis and Various Recommendations
– Key Market Driving Factors.

This study provides in-depth quantitative assessments of the Online Teaching Platform market and makes suggestions for developing strategies to support market success and growth. Market thoroughly assesses the essential market elements while taking into account the current status of the sector, customer preferences, participant business plans, and probable future developments from a range of angles.

Further, in the Online Teaching Platform Market research reports, the following points are included along with the in-depth study of each point: -

– Report Overview: It includes the objectives and scope of the study and gives highlights of key market segments and players covered. It also includes years considered for the research study.

– Executive Summary: It covers industry trends with high focus on market use cases and top market trends, market size by regions, and global market size. It also covers market share and growth rate by regions.

– Key Players: Here, the report concentrates on mergers and acquisitions, expansions, analysis of key players, establishment date of companies, and areas served, manufacturing base, and revenue of key players.

– Breakdown by Product and Application: This section provides details about market size by product and application.

– Regional Analysis: All of the regions and countries analyzed in the report are studied on the basis of market size by product and application, key players, and market forecast.

– Profiles of International Players: Here, players are evaluated on the basis of their gross margin, price, sales, revenue, business, products, and other company details.

– Market Dynamics: It includes supply chain analysis, analysis of regional marketing, challenges, opportunities, and drivers analyzed in the report.

– Key Findings of the Research Study.

– Appendix: It includes details about research and methodology approach, research methodology, data sources, authors of the study, and a disclaimer.

The report has 150 tables and figures browse the report description and TOC

Browse complete Online Teaching Platform Market report details with table of contents and list of figures click here :-

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Customization of the Report: This report will be customized as per your needs for extra data up to 5 companies or 5 countries or nearly 40 analyst hours.

NOTE :- The Online Teaching Platform Market report is based on studies on 2015-2019 and provides forecast from 2020 till 2028.

Table Of Contents:

Chapter 1: Global Online Teaching Platform Market Overview

Chapter 2: Economic Impact on Industry

Chapter 3: Market Competition by Manufacturers

Chapter 4: Production, Revenue (Value) by Region

Chapter 5: Supply (Production), Consumption, Export, Import by Regions

Chapter 6: Production, Revenue (Value), Price Trend by Type

Chapter 7: Market Analysis by Application

Chapter 8: Manufacturing Cost Analysis

Chapter 9: Industrial Chain, Sourcing Strategy and Downstream Buyers

Chapter 10: Marketing Strategy Analysis, Distributors/Traders

Chapter 11: Market Effect Factors Analysis

Chapter 12: Research Conclusions of Global Online Teaching Platform Market

The report offers details on all current global industry bids based on a number of areas. Based on the most accurate updates, the report incorporates pertinent governmental policies and regulatory developments

– Some of the Key Questions Answered in the Market Report :

With the industry’s continual expansion, the market is changing quickly. Technology development has given today’s firms a variety of benefits that are causing everyday economic changes. Therefore, in order to effectively plan its strategies, a corporation must understand the trends in market movement. An effective strategy gives businesses an advantage over rivals and a head start on planning.

-FAQs:

1) What Is the Industry’s Current Market Situation?

2) What is the level of market competition in this sector, both regionally and nationally?

3) What is Market Analysis of the Market Considering Applications and Types?

4) What Will the Supply, Consumption, and Market Share Be?

5) What Does Upstream Raw Material and Downstream Industry Market Chain Analysis ?

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Infinity Business Insights is a market research company that offers market and business research intelligence all around the world. We are specialized in offering the services in various industry verticals to recognize their highest-value chance, address their most analytical challenges, and alter their work.

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COMTEX_415310401/2599/2022-09-26T09:51:23

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 Sun, 25 Sep 2022 21:51:00 -0500 en-US text/html https://www.marketwatch.com/press-release/online-teaching-platform-market-current-scenario-market-player-and-future-prospects-2028---sap-microsoft-oracle-maximus-2022-09-26 Killexams : SEC fines Oracle $23 million, says the company bribed foreign officials for business

A sign is posted in front of Oracle headquarters on December 09, 2021 in Redwood Shores, California.

Justin Sullivan | Getty Images

Oracle has settled with the Securities and Exchange Commission after it was charged with violating the Foreign Corrupt Practices Act for a second time, the SEC announced Tuesday.

The SEC said Oracle violated provisions of the act between 2016 and 2019 when its subsidiaries in India, Turkey and the United Arab Emirates created slush funds used to bribe foreign officials. Oracle's subsidiaries also used the funds to pay foreign officials to attend technology conferences, according to the SEC.

The company did not admit to or deny the SEC's findings, and it will pay more than $23 million to settle the charges.

"The conduct outlined by the SEC is contrary to our core values and clear policies, and if we identify such behavior, we will take appropriate action," said Oracle corporate communications vice president Michael Egbert.

The company also settled charges in 2012 after Oracle India created millions of dollars of side funds, the SEC said.

Charles Cain, the SEC's FCPA unit chief, said in the release that the charges highlight a need for "effective internal accounting controls" at Oracle.

"The creation of off-book slush funds inherently gives rise to the risk those funds will be used improperly, which is exactly what happened here at Oracle's Turkey, UAE, and India subsidiaries," he said.

 Tue, 27 Sep 2022 02:13:00 -0500 en text/html https://www.cnbc.com/2022/09/27/sec-fines-oracle-23-million-alleging-the-company-bribed-foreign-officials.html 1Z0-809 exam dump and training guide direct download
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