请问大家java中递归算法,希望有详细解释?

Question

public class Test{public static int result(int parameter){if(parameter<=1) return 1;int number = parameter*result(parameter-1); return number;}public static void main(String[]args{int result = result(5);System.out.println(result);}}运行结果是：120

Answer 1

画图不易，望理解，