Accessing variable is other calsses

I also want to access a variable recevieBuffer or a method receivedData(). However they are in another class within the same .java file and the same project. I have a the following classes:

public class Simulation extends UiApplication
which is the class that I want to use the variable in

class SPPScreen extends MainScreen implements BluetoothSerialPortListener
which is the class that contains the variable.

How could I access the variable or the method from the Simulation class?
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bgloddeConnect With a Mentor Commented:
You have a couple choices:
> Make the variable static
> Create a public accessor to retrieve the value (eg getVariableValue()) from SPPScreen.

The may want to grade and close some of your previous questions.......or at least respond to the advice given....before asking anymore.
TheMeeserAuthor Commented:
This helped me out alot, but it took me a little bit to figure out how to do the public accessor part.

TheMeeserAuthor Commented:
Thanks for the tip JConchie :) I have never used anything like this before and wasn't sure how it worked.
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