java5

for循环：

public class For {
    public static void main(String[] args) {
         int sum = 0;
        for (int i = 1 ; i <= 100 ; i++){
            if (i % 2 ==0){
            sum = sum + i;
            }
        }
        System.out.println(sum);
    }

while循环：

public class Chufa {
    public static void main(String[] args) {

        int chu = 5;
        int beichu = 101;
        int count = 0;

        while (beichu > chu) {

            beichu =beichu -chu;

            count++;




        }
        System.out.println("结果："+count+","+"余数："+beichu);


    }
}