Get Environment Variables : System Properties « Development Class « Java

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Java » Development Class » System Properties

Get Environment Variables


 

 

import java.util.Iterator;

import java.util.Map;

import java.util.Set;



public class Main {

  public static void main(String[] args) {

    Map map = System.getenv();



    Set keys = map.keySet();

    Iterator iterator = keys.iterator();

    while (iterator.hasNext()) {

      String key = (String) iterator.next();

      String value = (String) map.get(key);



      System.out.println(key + " = " + value);

    }

  }

}

Related examples in the same category

1.	Get system properties using System class
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4.	Use System.getenv to get environment variables
5.	Machine User Name
6.	Get username of system current user
7.	Check Version
8.	Get Java Runtime Environment (JRE) version?
9.	Clear system property: The System.clearProperty() method available in Java 1.5
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12.	List one or more item(s) from System Properties
13.	System.setProperty("apple.laf.useScreenMenuBar", "true")
14.	Get Java Home directory
15.	Determine operating system using System class
16.	Setting the Value of a System Property from the Command Line: add -D option to the java command when running your program.
17.	Get path / classpath separator
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21.	Set a system property
22.	Dump Props

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