Java Data Type Tutorial - Java System.getenv(String name)

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Syntax

System.getenv(String name) has the following syntax.

public static String getenv(String name)

Example

In the following code shows how to use System.getenv(String name) method.

public class Main {
//from ww  w . j a v a 2  s.c om
   public static void main(String[] args) throws Exception {
      System.out.println(System.getenv("PATH"));

      System.out.println(System.getenv("TEMP"));

      System.out.println(System.getenv("USERNAME"));

   }
}

The code above generates the following result.

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