// HeroSpy.java

// Shows how to override the default access level of a 
// class member.

// COP 4338 (Irvine, Spring 2003)
// Updated 12/26/2002

import java.lang.reflect.Field;

class Person
{
	public Person( String pName )
	{
		name = pName;
	}		
	
	public String toString( )
	{
		return name;
	}	
		
	private String name;
}

class Hero extends Person
{	
	public Hero( String pName, String pSecretIdentity )
	{ 
		super( pName );
		secretIdentity = pSecretIdentity;
	}

	public String toString( )
	{
		return super.toString( );
	}	

	private String secretIdentity;	
}  // Hero	
	

class HeroSpy
{	
	public static void main( String args[] )
	{
		Hero h1 = new Hero( "Superman", "Clark Kent" );
		System.out.println( "h1 = " + h1.toString( ) );
	
        try 
        {
            Class cl = Hero.class;
            Field f = cl.getDeclaredField( "secretIdentity" );
            f.setAccessible( true );
            System.out.println( "Secret identity = " + f.get( h1 ) );
            f.set( h1, new String( "Lois Lane") );
            System.out.println( "New secret identity = " + f.get( h1 ) );            
        }
        catch( NoSuchFieldException e ) 
        { 
        	System.out.println( "No such field" );
        }
        catch( IllegalAccessException e )
        {
        	System.out.println( "Illegal access exception" );
        }
        catch( java.security.AccessControlException e )
        {
            System.out.println( "Security manager objects to this!" );
        }	
	}	// main
	
}	// HeroSpy