题目内容
（请给出正确答案）
[主观题]
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。
提问人：网友huangchuyan
发布时间：2022-01-07
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