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methods

 
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methods, working with methods that require single arguments ,multifple agurment
snugglesmocha
15 May, 2007 - 03:36 PM
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This is the assigment that I have-- Create a class named Numbers whose main() method holds two integer variables. Assign values to the variables. Create two additional methods, sum and difference that compute the sum and differences between the two values of the two variables.

Here is what I have--but it isn't working.
public class Numbers
{
public static void main(String[] args)
{
int twoDigits = 88;
int oneDigit = 7;

sumOfDigits();

System.out.println("This is my numbers program");
}
{
public static void sumOfDigits()

System.out.println("88 + 7");
System.out.println(sumOfDigits);
}
}

I think that I have really messed this up. Only did the sum so far cause one I get the idea of doing this I figure that I can also do the difference.

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Mila
RE: Methods
15 May, 2007 - 03:58 PM
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Please remember to surround your code with [ code ] tags.

Your problem lies in the sumOfDigits method: you tell it System.out.println(sumOfDigits);, but you have never declared the sumOfDigits variable.

You might want to consider having the sumOfDigits method actually take in two variables, such as:
CODE
public static int sumOfDigits(int a, int b)
{
return a + b;
}


This physically returns the sum of the inputted digits, so in your main method you could actually use a declaration such as System.out.println(sumOfDigits(twoDigits, oneDigit));.

This post has been edited by Mila: 15 May, 2007 - 03:59 PM
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snugglesmocha
RE: Methods
19 May, 2007 - 05:38 AM
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QUOTE(Mila @ 15 May, 2007 - 04:58 PM) *

Please remember to surround your code with [ code ] tags.

Your problem lies in the sumOfDigits method: you tell it System.out.println(sumOfDigits);, but you have never declared the sumOfDigits variable.

You might want to consider having the sumOfDigits method actually take in two variables, such as:
CODE
public static int sumOfDigits(int a, int b)
{
return a + b;
}


This physically returns the sum of the inputted digits, so in your main method you could actually use a declaration such as System.out.println(sumOfDigits(twoDigits, oneDigit));.


THANK YOU!!!!
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