example03_thissuper.java

java课程设计教材上的程例题序代码

package example;

class A {
  int x;
  A(int x) {
    this.x = x;
  }
}

class B extends A {
	  int x;
	  B(int x,int y) {
	    super(x);
	    this.x += super.x + y;
	}
}

public class Example03_ThisSuper {
	  public static void main(String[] args) {
	    A a = new A(1);
	    B b = new B(3,4);
	    System.out.println(a.x);
	    System.out.println(b.x);
	}
}