public class ExampleClass{
	private int a=0;
	
	private void print_me(){System.out.println("The Class is used by method can also been use");}
	
	protected int b=0;
	
	public int c=0;
	
	public void allprint(){System.out.println("a="+a);
							System.out.println("b="+b);
							System.out.println("c="+c);
							print_me();
							
							}
	
	
	
}
 class SubExampleClass extends ExampleClass{
	private int d=0;

public static void main(String args[])
 {
 	SubExampleClass subobject=new SubExampleClass();
 	subobject.d=20;
 	subobject.allprint();
 	
 	System.out.println("SubExampleClass:d="+subobject.d);//本類都可以訪問
 	System.out.println("ExampleClass:c="+subobject.c);	//繼承類可以訪問其父類的公共變量
 	System.out.println("ExampleClass:b="+subobject.b);   //繼承類的子類可以訪問父類的保護變量。
 }
}