while02

package com.lyc.struct;

public class WhileDemo02 {
    public static void main(String[] args) {
        //计算1+2+3+...+100 = ？
        int sum = 0;
        int i = 0;
        while (i<100){
            i++;
            sum+=i;
        }
        System.out.println(sum);
    }
}