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    To check the Java version installed on your Windows system, you can use the Command Prompt or PowerShell. This method is quick and straightforward, allowing you to verify the Java version with a simple command.

    Using Command Prompt

    1. Open Command Prompt: Click the Windows Start menu (bottom-left corner of the taskbar) and type cmd. Click the Command Prompt icon that appears in the search results.

    2. Run the Command: Type java -version and press Enter. This command will display the current Java version installed on your system along with the build number.

    Example:

    java -version

    Output:

    java version "1.8.0_281"
    Java(TM) SE Runtime Environment (build 1.8.0_281-b09)
    Java HotSpot(TM) 64-Bit Server VM (build 25.281-b09, mixed mode)

    If you need to check the version of the Java compiler, you can use:

    javac -version

    Output:

    javac 1.8.0_281

    Using PowerShell

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