public class Example { public void test(){ int num = 0; for(int i=0; i<=50; i++){ num =num+i; System.out.print(num+", "); } } public static void main(String args[]){ //Start time long begin = System.nanoTime(); //Starting the watch new Example().test(); //End time long end = System.nanoTime(); long time = end-begin; System.out.println(); System.out.println("Elapsed Time: "+time); } }