package com.leo;
public class StaticMethod {
public static void main(String[] args) {
// 创建2个学生对象,交学费
Stu tom = new Stu("Tom");
tom.payFee(100);
Stu mary = new Stu("mary");
mary.payFee(200);
// 输出当前收到的总学费
Stu.showFee();
}
}
class Stu {
private String name; // 普通成员
// 定义一个静态变量,来累计学生的学费
private static double fee = 0;
public Stu(String name) {
this.name = name;
}
public static void payFee(double fee) {
Stu.fee += fee;
}
public static void showFee() {
System.out.println("总学费有:" + Stu.fee);
}
}