package sushudigui; import java.util.Scanner; public class digui { public static void main(String[] args){ System.out.println("输入n,按回车:"); Scanner s = new Scanner(System.in); Integer n = Integer.parseInt(s.next()); Integer re = factorial(1, n); System.out.println(re); } public static Integer factorial(Integer a, Integer b){ if(b == 1){ return a * b; }else{ return a * b * factorial(a, b-1); } } }
递归n!
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转载自www.cnblogs.com/love-nan/p/9787158.html
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