How do you add environment variables in Java?
In Java, adding environment variables can be done through several methods.
- established
set JAVA_HOME=C:\Program Files\Java\jdk1.8.0_281
- To add an environment variable in system properties:You can manually add an environment variable in system properties by right-clicking on “This PC” -> Properties -> Advanced system settings -> Environment Variables, then add a new environment variable in system variables, for example JAVA_HOME.
- To modify the PATH environment variable:
Add the Java bin directory to the system’s PATH environment variable by locating the PATH variable and appending the Java bin directory, such as C:\Program Files\Java\jdk1.8.0_281\bin. - You can dynamically add environment variables using Java code, for example:
Map<String, String> env = System.getenv();
env.put("JAVA_HOME", "C:\\Program Files\\Java\\jdk1.8.0_281");
These are several common ways to set up Java environment variables, you can choose the method that suits your specific situation.
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