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  • 使用标记值控制循环:sum,data

    使用标记值控制循环:sum,data

     1 package com.baidu;
     2 import java.util.Scanner;
     3 public class SentinelValue {
     4     public static void main(String[] args) {
     5         Scanner input = new Scanner(System.in);//(Input):只能从中读取数据,而不能向其写入数据
     6         
     7         System.out.print("Enter an unteger (the input ends if it is 0 ): ");
     8         int data = input.nextInt();//(Input):只能从中读取数据,而不能向其写入数据
     9         
    10         int sum = 0;
    11         while(data != 0) {
    12             sum += data;
    13             
    14             System.out.print("Enter an integer (the input ends if it is 0): ");
    15             data = input.nextInt();//(Input):只能从中读取数据,而不能向其写入数据
    16         }
    17         System.out.println("The sum is " + sum);
    18     }
    19 }

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  • 原文地址:https://www.cnblogs.com/mawenqi-barry/p/7744348.html
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