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Thanks for the help - This concept allowed me to fix the problem with the arrays. Problem Solved - Mission Success!

This is the error I get when I run the program.

Exception in thread "main" java.lang.NullPointerException
at tuna.<init>(tuna.java:64)
at apples.main(apples.java:5)

I think that it means...

Trying to build my first calculator from scratch and everything was going smooth but I am now getting hit with a handler coming up as a null pointer exception.



import javax.swing.JFrame;...