小编Kam*_*roe的帖子

递归调用将在运行时堆栈上构建,然后在运行时堆栈"展开"时以相反的顺序计算值.第18行是我得到错误的地方,但我对于出了什么问题一无所知.编译完成.未编译以下文件:找到1个错误:[line:18]} else {错误:'else'没有'if'

public class Recursion {
    public static void main(String[] args) {
        int n = 7;
        //Test out the factorial 
        System.out.println(n + " factorial equals ");
        System.out.println(Recursion.factorial(n));
        System.out.println();
    }

    public static int factorial(int n) {
        int temp;
        System.out.println("Method call -- calculating Factorial of: " + n); 
        {
            int temp;
            if (n == 0) {
                return 1;
            }
        } else {
            temp = factorial(n - 1);
            System.out.println("Factorial of: " + (n - 1) + " is " + temp);
            return …