58,454
社区成员
发帖
与我相关
我的任务
分享
class Dog1 {
String name;
int age;
String type;
public Dog1(String name, int age) {this(name, age, "斑点狗");}
public Dog1(String name, int age, String type) {
this.name = name;
this.age = age;
this.type = type;
}
public void detail() {
System.out.println(this);
}
public String toString() {
return String.format("名称:%s,年龄:%d,品种:%s", name, age, type);
}
}
public class Dog1Test {
public static void main(String[] args) {
Dog1 d1 = new Dog1("小花", 2);
Dog1 d2 = new Dog1("小霸王", 3, "藏獒");
d1.detail();
d2.detail();
}
}