14 lines
536 B
Markdown
14 lines
536 B
Markdown
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## What happens when you don't use a declared variable in the block scope?
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* Nothing, it will work fine
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* It will get removed automatically
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* The program won't compile *CORRECT*
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## What happens when you don't use a declared variable in the package scope?
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* Nothing, it will work fine *CORRECT*
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* It will get removed automatically
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* The program won't compile
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## How can you prevent unused variable error?
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* You can change the variable's name
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* You can use a blank-identifier to discard it *CORRECT*
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* You can change the variable's type
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