interface Playable { void play（); } interface Bounceable { void play（); } inter

interface Playable {

void play();

}

interface Bounceable {

void play();

}

interface Rollable extends Playable, Bounceable {

Ball ball = new Ball("PingPang");

}

class Ball implements Rollable {

private String name;

public String getName() {

return name;

}

public Ball(String name) {

this.name = name;

}

public void play() {

ball = new Ball("Football");

System.out.println(ball.getName());

}

这个错误不容易发现。

参考答案

您可能感兴趣的试题

interface Playable { void play（); } interface Bounceable { void play（); } inter

答案解析
interface A{int x = 0;}class B{int x =1;}class C extends B implements A {public void pX

答案解析
interface A{int x = 0;}class B{int x =1;}class C extends B implements A {public void pX

答案解析
interface Playable {void play（);}interface Bounceable {void play（);}interface Rollable

答案解析
interface Playable {void play（);}interface Bounceable {void play（);}interface Rollable

答案解析
下面关于interface 叙述错误的是：（)A. 一个interface可以继承多个inter

答案解析