版权声明:未注明转载的版权所有小黑 https://blog.csdn.net/qq_37332702/article/details/82218586
public static void sum() {
int sum = 0;
for (int i = 0; i <= 15; i++) { //循环次数为30/2
if(i*2<=30) { //2的倍数
sum += i; //结果相加
System.out.println("偶数:"+i*2);
}
System.out.println("结果"+sum);
}
}