README

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