do...While循环

 

 1 package com.lin.struct;
 2 
 3 public class DoWhileDemo1 {
 4     public static void main(String[] args) {
 5         int i =0 ;
 6         int sum =0 ;
 7         //do...While的话是先执行一遍在进行判断,至少执行一次
 8         do {
 9             sum =sum+i;
10             i++;
11         }while (i<=100);
12 
13             System.out.println(sum);
14     }
15 }
 1 package com.lin.struct;
 2 
 3 public class DoWhileDemo2 {
 4     public static void main(String[] args) {
 5         int a=0;
 6         while (a<0){
 7             System.out.println(a);
 8             a++;
 9         }
10         System.out.println("==================");
11         do {
12             System.out.println(a);
13             a++;
14         }while (a<0);
15         System.out.println(a);
16     }
17 }

 

posted @ 2021-02-12 21:44  奔啵儿灞  阅读(55)  评论(0)    收藏  举报