/*
 *  =================================================================
 *  DemoTryChange.java: The programa shows how the pass-by-value
 *                      mechanism works in java.
 *
 *  Written By: Mark Austin                              October 2005
 *  =================================================================
 */

import java.lang.Math;
import java.text.*;
 
public class DemoTryChange {

   // main method : this is where the program execution begins.

   public static void main ( String [] args ) {
       int i;

       // [a] Test passing of variable to a method....

          i = 1;
          System.out.println("*** In main(): i = " + i);

          System.out.println("*** Call TryChange()....");
          TryChange( i );

          System.out.println("*** Back in main(): i = " + i);
   }
 
   // Simple method to demonstrate call-by-value mechanism....

   static void TryChange( int i ) {

       // Print value of variable passed to TryChange()....

       System.out.println("*** In TryChange(): i = " + i);

       // Change value of i and print new value .....

       i = 3;
       System.out.println("*** In TryChange(): i = " + i);
   }

}