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Thread: Getting error message and can not figure it out.

  1. #1
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    Default Getting error message and can not figure it out.

    I have been working on this assignment for 2 days now and I have had this error message. I hope a fresh set of eyes will help me.
    Here is my code
    import javax.swing.JOptionPane;
     
    //Louis Friedmann
    //July 09, 2013
    //This program prints the output in dialog boxes
     
     
     
     
    public class DateJDialog
    {
     
    	 public static void main(String[] args) {
     
     
    	         //Variables Declaration
    	         String inputString; //input
    	         int dayIs;  //day
    	         int yearIs; // year
    	         int monthIs; //month
    	         String leapResult; // tell's whether it's a leap year or not.
     
    	         //Input
    	         inputString = JOptionPane.showInputDialog("What is the day?");
    	         dayIs = Integer.parseInt(inputString);
     
    	         inputString = JOptionPane.showInputDialog("What is the month?");
    	         monthIs = Integer.parseInt(inputString);
     
    	         inputString = JOptionPane.showInputDialog("What is the year.");
    	         yearIs = Integer.parseInt(inputString);
     
    	         //calculation
    	         if (isLeapYear(yearIs))
    	         {
    	             leapResult = " is a leap year";
    	         } else
    	         	{
    	             leapResult = yearIs + " isn't a leap year";
    	         	}
     
    	         //output
    	         JOptionPane.showMessageDialog(null, leapResult);
     
    	         //exits the program
    	         System.exit(0);
        }
     
     
    }

    And this is my error message:

    C:\Users\Friedmann\Desktop\Java\Assignment 5\DateJDialog.java:34: error: cannot find symbol
    if (isLeapYear(yearIs))
    ^
    symbol: method isLeapYear(int)
    location: class DateJDialog
    1 error

    Tool completed with exit code 1

    Please help!!!!!!

    Thanks.


  2. #2
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    Default Re: Getting error message and can not figure it out.

    I can't find the isLeapYear(int) method in your code. Since each method must be defined in the class or statically imported before being called, and you calls the undefined method in your code, the compiler of course will throw an error. To solve this problem, you need to add the definition of the static method isLeapYear(int) to the class body. As to how to decide wether it is a leap year or not, I think it's not hard for you to figure out.

  3. #3
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    Default Re: Getting error message and can not figure it out.

    u re missing isLeapYear() method

  4. #4
    Senior Member PhHein's Avatar
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    Default Re: Getting error message and can not figure it out.

    you and are! This is a forum, not an SMS system you can use more than 160 chars.

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