教学视频链接:https://www.bilibili.com/video/BV12J41137hu?p=38&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5 https://www.bilibili.com/video/BV12J41137hu?p=38&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5        在Java中,
https://www.bilibili.com/video/BV12J41137hu?p=38&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5        在Java中,while 结构是一个循环结构,它会在满足条件的情况下重复执行代码块。while 循环的基本语法如下:
while (条件) {
    // 需要重复执行的代码
}代码举例1:打印1-100;
public class WhileDemo01 {
    public static void main(String[] args) {
        int i = 0;
        while (i<100){
            i++;
            System.out.println(i);
        }
    }
}代码举例:计算1+2+3...+100=?
public class WhileDemo02 {
    public static void main(String[] args) {
        int i =1;
        int sum = 0;
        while (i<=100){
            sum = sum + i;
            i++;
        }
        System.out.println(sum);
    }
}















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