BE THE CODER > Tools and Libs > Google Guava Examples > Collections

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 Sets.difference() API. It returns an unmodifiable view of the difference of two sets.

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


package com.bethecoder.tutorials.guava.collection_tests;



import java.util.Set;



import com.google.common.collect.ImmutableSet;

import com.google.common.collect.Sets;



public class SetsDifferenceTest {



  /**

   * @param args

   */

  public static void main(String[] args) {

    ImmutableSet<String> stringSet = ImmutableSet.of("ONE", "TWO", "THREE");

    System.out.println(stringSet);

    

    ImmutableSet<String> stringSet2 = ImmutableSet.of("TWO", "THREE", "FOUR");

    System.out.println(stringSet2);

    

    //Returns a set containing all elements that are contained by set1 and

    //not contained by set2

    Set<String> resultSet = Sets.difference(stringSet, stringSet2);

    System.out.println(resultSet);

  }



}

Sets Difference