Java开发网 - 求1到10的阶层

Topic: 求1到10的阶层

1.求1到10的阶层	Copy to clipboard
Posted by: 丫丫 Posted on: 2007-09-14 16:15 public class jc { public static void main(String []args) { long a=1,sum=0; for(int i=1;i<=10;i++) { a=a*i; sum+=a; } System.out.println("1!+2!+...10!="+sum); } }