先定义一个类
package leiDeDingYi_leiDeShiYong;
public class Children {
String name;
int age;
static int count;
public Children() {}
public Children(String name,int age) {
this.name=name;
this.age=age;
}
public void joinGame() {
System.out.println("有新的小朋友加入");
count++;
}
}
在主函数中调用类
public class Children2 {
public static void main(String[] args) {
Children.count=3;
Children c1=new Children("花花", 8);
c1.joinGame();
Children c2=new Children("灰灰", 9);
c2.joinGame();
System.out.println("参加游戏的总人数为:"+c1.count);
System.out.println("参加游戏的总人数为:"+Children.count);
}
结果显示;
有新的小朋友加入
有新的小朋友加入
参加游戏的总人数为:5
参加游戏的总人数为:5