流程控制学习--While

package com.kuang.struct;

public class WhileDemo01 {
    public static void main(String[] args) {
        //输出1-100
        int i = 0;
        while (i<100) {
            i++;
            System.out.println(i);
        }
    }
}

　　

package com.kuang.struct;

public class WhileDemo02 {
    public static void main(String[] args) {
        //死循环
        while (true){
            //等待客户端连接
            //定时检查
        }
    }
}

　　

package com.kuang.struct;

public class WhileDemo03 {
    public static void main(String[] args) {
        //0+100
        int i = 0;
        int sum = 0;
        while (i<=100){
            sum = sum + i;
            i++;
        }
        System.out.println(sum);
    }
}