How do you set up environment variables in Java?

1 year ago
Liam
1 minute

There are several methods for setting environment variables in Java.

  1. Set environment variables using the command line:
    Use the set command in the command line to set environment variables, for example:
  2. Define the JAVA_HOME environment variable as C:\Program Files\Java\jdk1.8
  3. Setting environment variables through system properties:
    In Java programs, environment variables can be set using the System.setProperty method, for example:
  4. Set the system property “JAVA_HOME” to “C:\Program Files\Java\jdk1.8”.
  5. Modify the system environment variable to set the Java environment variable:
    To set the Java environment variable, you can modify the Path variable in system properties. Navigate to “Environment Variables” in system properties, locate the Path variable under “System Variables,” and add the Java installation path to it.
  6. Set environment variables using an IDE:
    In some integrated development environments like Eclipse, IntelliJ IDEA, etc., Java environment variables can be set by adjusting the project’s build path.

These are several commonly used ways to set up Java environment variables, choose the most suitable one according to your actual situation.

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