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Incorrect Core Java Interview Answers

Overview On the internet, Java interview questions and answers get copied from one web site to another. This can mean that an incorrect or out of date answer might never be corrected. ...
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Java Secret: Using an enum to build a State machine

Overview The enum in Java is more powerful than many other languages which can lead to surprising uses. In this article, I outline some the individual features of enum in Java, and ...
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Low GC in Java: Use primitives instead of wrappers

Overview There are two good reason to use primitives instead of wrappers where possible.Clarity. By using a primitive, you are making it clear that a null value is not appropriate. Performance. ...
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