don't know where is the mistakes. please help!!

Question about the task

Under discussion

Write a function that computes the minimum of four numbers.
The function min(a, b, c, d) should use (call) the function min(a, b)

Hint:
You need to write the body of the two existing min functions.

Requirements:

The program should display text on the screen.
The min methods should not display text on the screen.
The main method should call min(a, b) and min(a, b, c, d).
The main method should display the result of the min methods. Each time, on a new line.
The min(a, b) method must return the minimum of the numbers a and b.
The min(a, b, c, d) method must use the min(a, b) method.
The min(a, b, c, d) method must return the minimum of the numbers a, b, c, and d.

package com.codegym.task.task02.task0217; /* Minimum of four numbers */ public class Solution { public static int min(int a, int b, int c, int d) { int result; if (a<=b && a<=c && a<=d){ result = a; }else if (b<=a && b<=c && b<=d){ result = b; }else if (c<=a && c<=b && c<=d){ result = c; }else{ result = d; } return result; } public static int min(int a, int b) { int e; if (a<=b){ e=a; }else{ e=b; } return e; } //write your code here } public static void main(String[] args) throws Exception { System.out.println(min(-20, -10)); System.out.println(min(-20, -10, -30, -40)); System.out.println(min(-20, -10, -30, 40)); System.out.println(min(-40, -10, -30, 40)); } }

Comments (4)

Popular
New
Old

You must be signed in to leave a comment

remote87

Level 18 , Sofia, Bulgaria

2 January 2021, 07:30

You have a method returning the min from 2 numbers, why do you need such complicated method to do the same with 4 numbers? As some people have said before me, in the method with 4 parameters, call the method with 2 parameters twice, something like

public static int min(int a, int b, int c, int d){
    int firstMin = min(a, b);
    int secondMin = min(c, d);
    return min(firstMin, secondMin);
}

I hope that this is clear enough ( I'm not good in explanations :D )

Vic Timmons

Level 7 , Denver, United States

2 January 2021, 05:51

Maybe try calling min(a, b) from within min(a, b, c, d)?

Gellert Varga

Level 23 , Szekesfehervar, Hungary

1 January 2021, 19:14

Line 36: this "}" is not needed here

Nouser

Level 36 , Germany

1 January 2021, 14:13

The function min(a, b, c, d) should use (call) the function min(a, b) besides that not fullfilled requirement your code looks good