Getting started with IntelliJ IDEA

My favourite tips for all new starters in IntelliJ IDEA

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Finding code
We often need to find something in our project and there are several ways to achieve that depending on the use case.
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Reading code
We spend more time reading code than writing it so it makes sense to invest effort in learning how the IDE can help us here.
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Writing code
IntelliJ IDEA can help you to write code quickly and efficiently while minimising compilation errors.
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Changing code
Code is rarely a write-once activity, we often need to go back and change it multiple times.
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Testing code
Testing is an important part of the development workflow, irrespective of where you do it in the process.