Discuss / Java / 打卡作业,互相学习

打卡作业,互相学习

Topic source

明明love0

#1 Created at ... [Delete] [Delete and Lock User]
public class Main {


public static void main(String[] args) {
// TODO: 给Person类增加一个静态字段count和静态方法getCount,统计实例的个数
Person p1 = new Person("小明");
System.out.println(Person.getCount()); // 1
Person p2 = new Person("小红");
System.out.println(Person.getCount()); // 2
Person p3 = new Person("小军");
System.out.println(Person.getCount()); // 3
}


}
public class Person {


// TODO
public static int count;
String name;


public Person(String name) {
this.name = name;
count ++;

}
public static int getCount() {
return count;
}


}


  • 1

Reply