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creating methods

Mike Smith
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Joined: Sep 23, 2005
Posts: 85
Hello all, I am trying to create methods that perform certain computations. Some of the methods have already been written for a previous assignment. However, I am to insert 2 of these methods into a class; and be able to invoke these methods from other classes I write. SO I have to edit the return type of each method; and edit the method to accomadate the class it will be in. When I write new classes, does my class file that contains these methods need to be placed in the same directory(folder) as the new class for which I am writting. I assume so. But for some odd reason I am getting an error while trying to invoke one of these methods in another class file. THis is what I have so far. Maybe someone could shed some light on what I am doing wrong. I would like to test each method in myUtils file class to make sure it returns what it is suppose to. SO I am creating little programs on the side to test it. Anyways, here is what I got.
This is my test class.

Furthermore, this is my class containing the methods I wish to invoke.
Henry Wong
author
Sheriff

Joined: Sep 28, 2004
Posts: 19068
    
  40

It would help if you mention what the is exception that you are encountering.

However, at a quick glance, you are trying to call an isInteger() method of the String class -- which is not possible.

Henry


Books: Java Threads, 3rd Edition, Jini in a Nutshell, and Java Gems (contributor)
Mike Smith
Ranch Hand

Joined: Sep 23, 2005
Posts: 85
OOps, thanks for noticing. I will try to debug the problem. My question I guess wasn't clear. Thats okay, i'll keep you posted. thanks again.
 
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