家庭收支基础代码

package project1;
//----------------家庭收支记账软件---------------
//                1.收支明细
//                2.登记收入
//                3.登记支出
//                4.退出
//                请选择1-4：

import java.util.Scanner;

public class Shouzhi {
    public static void main(String[] args) {

        boolean t=true;
        int sum=0;
        Scanner s = new Scanner(System.in);
        String details="";

        while (t) {     //循环语句
        System.out.println("----------------家庭收支记账软件---------------");
        System.out.println("1.收支明细");
        System.out.println("2.登记收入");
        System.out.println("3.登记支出");
        System.out.println("4.退出");
        System.out.println("请选择1-4:");
        int i = s.nextInt();
            switch (i) {
                case 1:
                    System.out.println("收支明细" + "\t" + "总金额" + "\t" + "收支" + "\t" + "原因");
                    System.out.println(details);
                    System.out.println("----------------------------------");
                    break;
                case 2:
                    System.out.println("收入"+"\t"+"原因");
                    int input = s.nextInt();
                    sum+=input;
                    String a = s.nextLine();
                    System.out.println(input+"\t"+a);
                    details+=("收入\t"+sum+"\t"+input+"\t"+a+"\n");
                    break;
                case 3:
                    System.out.println("支出"+"\t"+"原因");
                    int output = s.nextInt();
                    sum-=output;
                    String a1 = s.nextLine();
                    System.out.println(output+"\t"+a1);
                    details+=("支出\t"+sum+"\t"+output+"\t"+a1+"\n");
                    break;
                case 4:
                    System.out.println("退出");

                   t=false;
                    break;
                default:
                    System.out.println("输入错误,请重新输入1-4选项");
            }
        }
    }
}

标签：int,代码,System,家庭,println,收支,sum,out
来源： https://www.cnblogs.com/yuhangjie/p/15314857.html