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Thread: Help with ints

  1. #1
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    Default Help with ints

    I declared a public int in one class, modified it in that class, then tried to call it in another class, but when I call it, none of the modifications that were made carry over.

    The variable:
    public int dmg = 5;

    Where it is modified:
    case 1: 
    						if (gold >= 2){
    						dmg += 10;
    						gold -= 2;
    						out.println("Thank you. Have a nice day!");
    						}
    						else{
    							out.println("You are too poor.");
    						}
    						decision = 0;
    						break;
    What this is doing is buying a weapon, then adding to the dmg int.

    Where it is being called:
    static town city = new town();
    public int dmg(){
    	return dmg;
     
     
     
    case 1: 
    				wolf1hp -= city.dmg();
    				out.println("You have dealt " + city.dmg() + " damage." );
    				if (wolf1hp <= 0){
    					out.println(" You killed the first wolf.");
    				}
    				playerhealth -= wolf2dmg;
    				out.println("Wolf 2 attacked you and you lost " + wolf2dmg + ". You now have " + playerhealth + " health.");
    				decision = 0;
    				break;
    this is a simple battle scenario, and when i run it, instead of saying 15 damage it just says 5.
    Last edited by MAK; June 26th, 2014 at 04:12 PM.


  2. #2
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    Default Re: Help with ints

    Can you post the program's output that shows what you are talking about?
    Try debugging the code by adding some println() statements to print out the value of the variable every time it is changed and used.

    The formatting of the posted code has too much indentation making it hard to read.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Help with ints

    The name is dmg.
    That is all that would happen for formatting, but ill try again.
    here is the output.

    Thank you. Have a nice day!
    1 gold
    25 damage

    That is what it says after an item is purchased.

    You have dealt 5 damage.

    that is what it says after attacking.

  4. #4
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    Default Re: Help with ints

    Try debugging the code by adding some println() statements to print out the value of the variable every time it is changed and used.
    The print out should show you where the value changes from 25 to 5.
    If you don't understand my answer, don't ignore it, ask a question.

  5. #5
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    Default Re: Help with ints

    I did this at the very end of the first class, then at the very beginning of the second one, and it changed from 25 to 5, but i cant tell what messed it up.

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    Default Re: Help with ints

    Copy the printouts that show each change to the dmg variable and each time that same variable was referenced. There should be a line where the value made an unexpected change.
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: Help with ints

    Please post a runnable example that demonstrates the problem. Also show what you'd like the results to be.

    Please follow Java's naming conventions. Class names begin with capital letters, variable and method names begin with lowercase letters.

  8. #8
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    Default Re: Help with ints

    You should post more code then what you did.
    Give us all of the code of both classes. Most likely you overwrote the reference to the variable at some point because of bad scopes.

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