/*
  Author  : Michael Robinson
  Program : theThis.java
  Purpose : To show how to use the "this" command
            to select global and local variables
 
  Updated : August 18th, 2099
*/


public class theThis
{
    private int number   = 5;  
    private String name  = "Donald";
    private String major = "Computer Science";
    

    //method test2 accepts variables that have the same name as the
    //above global variables.
    public void test2( int number, String name, String major )
    {
        //the variables with the this command prior to its name is 
        //referring to the global variable. The variable without
        //the this command is the local variable accepted by this
        //method. 
        System.out.println( this.number + " is not the same as " + 
                            number);
        System.out.println( this.name   + " is not the same as " + 
                            name);
        System.out.println( this.major  + " is not the same as " + 
                            major);
        System.out.println( "The 'this' variables refer to the" +
                            " class global variables." );

    }//end public void test2( int number, String name, String major )
       
         
    public void test1()
    {
        int number = 4;
                
	   System.out.println( "Local: " + number );
	   System.out.println( "Global: " + this.number );
           
	   test2( 22, "Joe", "Computer Engineering" );
	   
    }//end public void test1()
    
    
    public static void main( String arg[] )
    {
        //creates an instance of this class/program
        //and calls the test2 method	
        new theThis().test1();
             
     }//end public static void main( String arg[] )

}//end public class theThis