Java Software Developer Interview Questions

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In the Java specification, it is considered good practice to override .equals() and .hashCode() both together. In the context of HashMap, explain why implementing only one of the two instead of both can cause problems. You must consider both cases.
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Java Software Developer

Interviewed at IMC Trading

4.1
Apr 18, 2015

In the Java specification, it is considered good practice to override .equals() and .hashCode() both together. In the context of HashMap, explain why implementing only one of the two instead of both can cause problems. You must consider both cases.

The questions in the cultural meeting were coming from the talk topics. Not something specific. About the tech interview: Why do I have Java 17 and don't use its features? Is it a generic game even though mancala is a game for 2 and there is no point in making it generic. Not some specific questions, they seemed satisfied and didn't check the UI code or anything else.
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Software Engineer - Java Developer

Interviewed at bol

4.2
Jul 21, 2022

The questions in the cultural meeting were coming from the talk topics. Not something specific. About the tech interview: Why do I have Java 17 and don't use its features? Is it a generic game even though mancala is a game for 2 and there is no point in making it generic. Not some specific questions, they seemed satisfied and didn't check the UI code or anything else.

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