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refactor: 6th section first two lectures exercises and questions

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Inanc Gumus
2018-10-22 22:00:34 +03:00
parent 2e650b9a1e
commit 411be187ab
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06-variables/02-declarations/questions/03-unused-variables/README.md Normal file
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## What happens when you don't use a declared variable in the block scope?
* Nothing, it will work fine
* It will get removed automatically
* The program won't compile *CORRECT*
## What happens when you don't use a declared variable in the package scope?
* Nothing, it will work fine *CORRECT*
* It will get removed automatically
* The program won't compile
## How can you prevent unused variable error?
* You can change the variable's name
* You can use a blank-identifier to discard it *CORRECT*
* You can change the variable's type