2019.12.09 java循环(while)

class Demo04
{
  public static void main(String[] args)
  {
    int sum=0;
    int i=1;

    while(i<=100){
    //sum = sum + i;
    sum+=i;
    i++;
    }
    System.out.println(sum);

 

    int n=1;
    while(n<=10){
    System.out.println(n);
    n++;
    }
    int x=10;

    while(1<=x){
    System.out.println(x);
    x--;
    }
  }
}

posted @ 2019-12-09 14:11  墨染千城  阅读(189)  评论(0)    收藏  举报