子類原始碼：

package jason;

public class SubDemo extends BaseDemo{

	public int a = 7;
	public void accessOwner(){
		System.out.println(a);
		
	}
	public void accessBase(){
		System.out.println(super.a);
		
	}
	public static void main(String[] args) {
		SubDemo sc=new SubDemo();
		System.out.println(sc.a);
		sc.accessOwner();
		sc.accessBase();
	}
}
 

父類原始碼：

package jason;

public class BaseDemo {

	public int a=5;
	
	
}

7
7
5