IntelliJ Necessary Shortcuts

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ctrl + G --> Go to line
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ctrl + shift + N --> For file searching
ctrl + F --> For Find
ctrl + shift + F --> For Full project search
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ctrl + shift + alt + L --> For formatting
ctrl + tab --> for showing the list of 10 classes. Then press the [tab] again to go another source
ctrl + shift + C --> Path copy
ctrl + D --> Duplicate Line
ctrl + O --> override methods
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ctrl + alt + O --> remove unused methods
ctrl + alt + Y --> refresh project
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ctrl + j --> Then write sout/select --> Press [Enter]
Alt + Enter --> Create unimplemented methods
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