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thanks keang, i have already figured out what my problem was shortly after i posted it. Sometimes the best solution to a problem is to take a rest and fresh yourself before continueing on it, haha

I am not sure if this will be useful... This is the method i used to set up my ringQueue. and it also belongs to the RingQueue class.



public class RingQueue{
...
...

/**...

Hi, i am working on a generic RingQueue ADT, however i came across a nullpointer exception during runtime and i cannot figure out what exactly my problem was.



/** Node of a singly linked list...