标题: For循环语句举例 [打印本页] 作者: 路好营 时间: 2015-10-30 23:37 标题: For循环语句举例 class For {
public static void main(String[] args)
{
/*for (int i = 10; i >= 1; i--){ //输出10-1
System.out.println(i);
}
System.out.println("----------------------");
for (int i = 1; i <=10; i++){ //输出1-10
System.out.println(i);
}
System.out.println("----------------------");
//输出1-10 的和
int sum = 0;
for (int i = 1; i <= 10; i ++){
sum = sum + i ;
}
System.out.println("sum =" + sum);
System.out.println("----------------------");
//输出1-100的偶数和
int sum = 0;
for (int i = 1; i <= 100; i++){
if (i % 2 == 1){
sum = sum + i;
}
}System.out.println("sum = " + sum);*/
//找到水仙花数,并计数
int count = 0 ;
for (int i = 100; i <= 999; i ++){
int x = i / 100;
int y = i % 100 / 10;
int z = i % 10;
if (i == x*x*x + y*y*y + z*z*z){
System.out.println(i + "是水仙花数");
count++;
}
}
System.out.println("一共有" + count + "个水仙花数");
}
}