I am attempting to use the extends for a super class, but I can not figure out what I am doing wrong. I have tried to do extends and another class and that works if it is one of java's classes but none of my own. I have included a screen shot of what I have. Thank you for your time. The error that I get is "Can't resolve symbol"
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1Please, don't post screenshots, post the code itself, and post full error message as well. – Sergei Sirik Oct 19 '17 at 19:21
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https://stackoverflow.com/help/how-to-ask – Don Branson Oct 19 '17 at 19:48
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first of all you programing in the default package, which isn't a good practice, second of all your javaclasses are outside your sourcefolder and finally I don't see any inports.

Daniel D.
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Your HashTableChaining class is not underneath the source root folder - "src". Intellij doesn't know how to resolve it because it's not in your sources.
You should move those *.java files into your src folder and it will work.