Need help understanding why my return value is not returning back.

Here is my assignment.

Write a program that prompts the user for a positive integer n and prints “Hello World” n times. Of course, a value of n that is less than or equal to 0 is illegal. To ensure valid input, include a method
int getPos()
that prompts for a positive integer. If the value of that integer is less than or equal to 0, the method should print an appropriate message and request a positive number. When the user supplies a valid number, the method returns that number. (Hint: the break; statement is really handy in this program.)

Below is my code

Code Java:

---

/**
 * 
 * CSC 225 - Online
 * Problem 6
 * 
 */
 
import java.util.*;
 
public class Problem6
{
   public static void main(String[] args)
   {
        Scanner scan = new Scanner(System.in);
        int input;
        int a;
 
        System.out.println( " Hello user! " );
        System.out.print( " Please enter the number of ireations you would like Hello World displayed. ");
        input = scan.nextInt();   
 
 
        getPos(input);
        System.out.println(input);
 
        for(a = 1; a <= input; a++)
        {
        System.out.println( " Hello World! ");    
        }
 
   }
 
   public static int getPos(int input)
   {
     Scanner scan = new Scanner(System.in);
 
     while (input <= 0)
     {
     System.out.println( " Error: Please enter a valid integer greater than 0." );
     System.out.print( " Please enter a valid number. " );
     input = scan.nextInt();
     }
 
     return input ;
 
   }
 
 
 
}

---

Below is my output


Hello user!
Please enter the number of ireations you would like Hello World displayed. -5
Error: Please enter a valid integer greater than 0.
Please enter a valid number. -5
Error: Please enter a valid integer greater than 0.
Please enter a valid number. -6
Error: Please enter a valid integer greater than 0.
Please enter a valid number. 55
-5


As you can see instead of returning 55 it returns my -5. FYI I placed a System.out.println tp see what the computer is doing. And I'm seeing its just not returning my value. Even if I remove my break statement in my while loop the text application just pauses....nothing happens. It does not display my Hello World statements. Any suggestions???

Thanks Again!

--- Update ---

Never mind :rolleyes: I figured it out. lol

where does the code save the value returned by the getPos() method?

Why is there an arg passed to the getPos() method?

The main problem was you were not actually returning the new value and you weren't updating the input variable to the "new" value anyway, which meant the initial illegal value was used for the for loop.

Here's the working code:


*** Code removed.

@I MIKE C I Please don't do the OPs work for him.

See http://www.javaprogrammingforums.com...n-feeding.html

Here is my updated code. Like I said Norm I have really haven't worked with methods to know why it wasn't working. But yeah I completed it.

Code Java:

---

/**
 * Gregory B Shavers Jr
 * CSC 225 - Online
 * Problem 6
 * 
 */
 
import java.util.*;
 
public class Problem6
{
   public static void main(String[] args)
   {
        Scanner scan = new Scanner(System.in);
        int input, output;
        int a;
 
        System.out.println( " Hello user! " );
        System.out.print( " Please enter the number of ireations you would like Hello World displayed. ");
        input = scan.nextInt();   
 
 
        output = getPos(input);
        System.out.println(output);
 
        for(a = 1; a <= output; a++)
        {
        System.out.println( " Hello World! ");    
        }
 
   }
 
   public static int getPos(int input)
   {
     Scanner scan = new Scanner(System.in);
 
     while (input <= 0)
     {
     System.out.println( " Error: Please enter a valid integer greater than 0." );
     System.out.print( " Please enter a valid number. " );
     input = scan.nextInt();
     }
 
     return input ;
 
   }
 
 
 
}

---

Thanks Again!