JZTXT

案例3-2

发布时间 2023-04-18 14:55:26作者: harper886

代码

Blank类

public class Blank {
    private int total;

    public Blank() {
    }

    public Blank(int total) {
        this.total = total;
    }

    public void show() {
        System.out.println("当前的存款为:" + total);
    }

    public void Withdraw_money(int num) {
        if (total < num) {
            System.out.println("余额不足无法取款!");
        } else {
            System.out.println("成功取款" + num + "元");
            total -= num;
            System.out.println("当前的存款为:" + total);
        }

    }

    public void Save_money(int num) {
        System.out.println("成功存款" + num + "元");
        total += num;
        System.out.println("当前的存款为:" + total);


    }
}

main方法

public class Demo01 {
    public static void main(String[] args) {
        Blank one=new Blank(500);
        one.show();
        one.Save_money(1000);
        one.Withdraw_money(800);
    }
}