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  1. Java version history. The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library. Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify ...

  2. Class File Versions. Each JDK Release comes with its class file version. Class files are backward compatible. But class files compiled for newer JDK releases cannot be executed and will result in an UnsupportedClassVersionError. The following table lists class file versions for each JDK release.

    Jdk Version
    Class File Version
    45.0
    45.3
    46.0
    47.0
  3. Dec 10, 2014 · Basically java went from 1.0 to 1.1, to 1.2 etc. and then Sun decided to change the naming convention to 5, 6 instead of 1.5, 1.6, but it never really stuck, even the version reported by java -version doesn't follow the new convention. – Yishai. Mar 9, 2010 at 18:07. Relevant bugs.openjdk.java.net/browse/JDK-8061493. – Braiam. Dec 4, 2016 at 0:01.

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    The CMD(Command Interpreter is a command-lineInterface. It supports a set of commands and utilities; and has its own programming language for writing batch files. Open CMD and search java -version. First, we have to an environment variable to the installed path location of the java folder.Otherwise, it will show invalid command. It is called ‘Termi...

    Open Control Panel and there is an option of the java on the interface of the control panel
    Click on the java option and click about a small pop window will appear

    Search Program and features in the control panel and search JAVA Named option In the case of Windows:Simply custom search- About Java In the case of Mac: Press the command button followed by a spacebar without lifting fingers from thecommand button. A popup box will appear for less than a second followed by another pop-up as shown below:

  4. Jan 8, 2024 · You can check your Java version graphically by searching for "About Java" or "Configure Java" in the Start menu and clicking the top result. If you want to check your Java version in a command-line interface, open Command Prompt or PowerShell, then enter "java -version" in the console.

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  5. The Java Community Process (JCP) standardizes and ratifies the Java SE Platform via a Java Specification Request (JSR). Every JSR consists of three components: a Specification, a Reference Implementation (RI), and a Technology Compatibility Toolkit (TCK).

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  7. Nov 13, 2023 · Think of Java versions as a timeline – a timeline that showcases the evolution of one of the most popular programming languages in the world. From the humble beginnings of Java 1.0 to the latest version, each iteration has brought something new to the table.

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