阶乘求和

package program;/** * 求1!+2!+3!+……+10！ * @author Administrator * */public class T3_13 {    public static void main(String[] args) {        int sub=0;        for (int i = 1; i <=10; i++) {            int a=1;            for (int j =1; j <=i; j++) {                a=j*a;            }            sub+=a;        }        System.out.println(sub);    }}