Get system properties using System class in java

/*

 Get system properties using System class

 This example shows how to get system properties using

 System class. This example also shows how to get and print

 all system properties.

*/

 

import java.util.Properties;

 

public class GetSystemProperties {

 

 public static void main(String[] args) {

 

 /*

 * To get system properties use,

 * static Properties getProperties() of System class.

 * 

 * getProperties is a static method.

 * 

 * Plase note that these properties are environment

 * specific.

 */

 

 Properties prop = System.getProperties();

 

 System.out.println("Printing all System properties");

 

 /*

   * To print all system properties use

   * static void list(PrintStream ps) method of System

   * class.

   * 

   * Hint : To print properties on console, paas

   * System.out to list method.

   */

   

   prop.list(System.out);

   

 

 }

}

 

/*

TYPICAL output would be like,

 

Printing all System properties

-- listing properties --

java.assistive=ON

java.runtime.name=Java(TM) 2 Runtime Environment, Stand...

java.vm.version=1.3.1

java.vm.vendor=IBM Corporation

java.vendor.url=http://www.ibm.com/

path.separator=;

java.vm.name=Classic VM

....

*/