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

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 Stopwatch class.

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


package com.bethecoder.tutorials.guava.base_tests;



import java.util.concurrent.TimeUnit;



import com.google.common.base.Stopwatch;



public class StopWatchTest {



  /**

   * @param args

   */

  public static void main(String[] args) {



    //Start the Stopwatch

    Stopwatch stopWatch = new Stopwatch().start();

    

    //Some operation !!!

    for (int i = 0 ; i < 10 ; i ++) {

      System.out.print("BTC ");

    }

    

    //Stop the watch and get elapsed time

    stopWatch.stop();

    System.out.println("\nTime taken : " + stopWatch.elapsedTime(TimeUnit.NANOSECONDS) + " ns");

  }



}