factorial.java

来自「java threads 3th源码,包括各个章节的源代码」· Java 代码 · 共 13 行

package javathreads.examples.ch02.example1;

public class Factorial {
    public static void main(String[] args) {
        int n = Integer.parseInt(args[0]);
        System.out.print(n + "! is ");
        int fact = 1;
        while (n > 1)
            fact *= n--;
        System.out.println(fact);
    }
}