Java factorial (recursive algorithm)

From , 4 Years ago, written in Java, viewed 49 times.

/**
 * 求阶乘
 */
public class Demo {
        public static int factorial(int num) {
                int result = 1;
                if (num > 0) {
                        result = num * factorial(num - 1);
                }
                return result;
        }
 
        public static void main(String[] args) {
                System.out.println(factorial(3));
        }
}

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Java factorial (recursive algorithm)

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