Map from Properties 

Google Guava is a java library with lot of utilities and reusable components. This requires the library guava-10.0.jar to be in classpath. The following example shows using Maps.fromProperties() API. It creates an immutable map instance from the given properties object.

File Name  :   com/bethecoder/tutorials/guava/collection_tests/MapFromPropsTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.guava.collection_tests; import java.util.Map; import com.google.common.collect.Maps; public class MapFromPropsTest {   /**    * @param args    */   public static void main(String[] args) {     Map<String, String> sysProps = Maps.fromProperties(System.getProperties());      System.out.println(sysProps);   } }

{java.runtime.name=Java(TM) SE Runtime Environment, 
sun.boot.library.path=C:\Program Files\Java\jdk1.6.0_10\jre\bin, 

....
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os.name=Windows XP, 
sun.jnu.encoding=Cp1252,  
sun.desktop=windows}