while_for

Posted 2021-03-08 hapyygril

package myproject;

public class TestWhile {
    public static void main(String[] args) {
        
        //while循环
        
        int b=1;//初始化
        while(b<=10) {//条件判断
            System.out.println(b);//循环体
            b++;//迭代    
        }
        
        //for循环
        for (int i=1;i<=10;i++) { //循环体结束后，再迭代
            System.out.println(i);
        }
        
        
        
        int a=1;
        int sum=0; 
        while(a<100) {     
            sum+=a;  
            a++;         
        }
        System.out.println("sum:"+sum);
        
        
        
        
    }
}