while循环

package cn.xiaomu_02di_er_zhang;
/**
 * while循环结构
 * 		while(布尔表达式){
 * 			循环体;
 * 		}
 * @author Administrator
 *
 */
public class _02while_xunhuan {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		//一加到一百累加的和
		int i=1;
		int sum=0;
		while(i<=100){
			sum =sum+i;
			i++;
		}
		System.out.println("sum的值为"+sum);
	}

}