接口使用
时间限制:1 Seconds 内存限制:128 Mbyte
总提交:57 正确:25 作者:zhanghua
[提交] [统计] [提问]
题目描述
创建一个名称为Vehicle的接口。在接口中添加两个方法start()和stop()。在两个名称分别为Bike和Bus的类中实现Vehicle接口。创建一个名称为Main的类,在Main的main()方法中创建Bike和Bus对象,并访问start()和stop()方法。
代码如下:
// 你的代码将被嵌入这里
class Main
{
public static void main(String[] args)
{
Bike bike=new Bike();
bike.start();
bike.stop();
Bus bus=new Bus();
bus.start();
bus.stop();
}
}
输出描述
i am bike,i am running
i am bike,i am stop
i am bus,i am running
i am bus,i am stop
class UerInfo {
public String id;
public String password;
public String email;
public UerInfo(String id, String password, String email) {
this.id = id;
this.password = password;
this.email = email;
System.out.println("id="+this.id+" pwd:"+this.password+" email:"+this.email);
}
public UerInfo(String id, String password) {
this.id = id;
this.password = password;
this.email = this.id+"@21cn.com";
System.out.println("id="+this.id+" pwd:"+this.password+" email:"+this.email);
}
}```