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Actually disregard that, i'm an idiot.

been programming for a straight 6 hours now; my head is throbbing...

lol thats true.

at the risk of sounding annoying, i do have one other question.

i've implemented the ability to add polynomials, and thats working perfectly. Now i need to subtract polynomials....

OMG THANKS JONLANE!

it is all working perfectly now! it is printing and ordering the terms in canonical form! I cant tell you how much i appreciate your help. Same with you Norm.

Now, the hard...

okay guys, so i did what you suggested (adding a bunch of println's) and VOILA! the null error was found. THANK YOU SO MUCH!

the problem was the for loop in my prep class. it would send each part...

i really do think it has something to do with my linked lists. I have several printlns in my program and it shows that my regex is able to extract coef/exp out of the input but for some reason its...

no :(

i'm trying to trace through process but i cannot see why that variable would be null.

EDIT:

if change:

p.setNext(temp); to p = temp;

thank you all for the quick replies. :)




I'm not too sure what you mean. you mean something like this?



public Polynomial prep(String s)

Hi guys.

I'm having this weird problem with my linked list. basically i'm making a linked list implementation of a polynomial; my nodes contain 2 elements (coefficient,powers). It works somewhat...