2" set JAVA_HOME=C:\Program Files (x86)\Java\jdk1. I suggest you unpack the scripts to C:\Program Files\Java\scripts.Ĭall javaX "Java 20" % 1 Code language: DOS. plus two common scripts javaX.bat and javaX.ps1.the corresponding files java21.ps1, java20.ps1, etc.java21.bat, java20.bat, java19.bat, etc., for all Java versions,.Here is the link: scripts-up-to-java21.zip To change the Java version on the command line, I have prepared some batch files that you can copy to your system. The fastest way to change the environment variables is to press the Windows key and type "env" – Windows then offers "Edit the system environment variables" as a search result:Ĭheck your Java version with "cmd" Step 3: Install the Scripts to Change the Java Version The Java installers create various environment variables, which you need to clean up first (see below). Manually Setting the Java Environment Variables Some programs, such as Eclipse, define the Java version in a separate configuration file (for Eclipse, for example, this is the entry "-vm" in the eclipse.ini file). These variables should always point to the same Java installation to avoid inconsistencies. Path – is used when running a Java binary (such as java and javac) from the console.
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