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Thanks guys, I figure it out






should be changed to

Yes, that's the error I got, the NullPointerException and I did not understand what was going on. Thanks for trying to help

@ pbrockway2 : Thanks for trying to help


This is the error message:

Hello, I have started to learn java for about 3 months, thus I don't know much about it. I want to write a short code that can sort an array of name by alphabetical order. I did it in two different...