Variable Scope

Question 1

When do variables come into scope

Answer 1

from when they are first defined

Question 2

when do variables lose scope

Answer 2

when the statement block they were defined in ends, closing curly bracket

Question 3

using a variable after the block it was defined in results in

Answer 3

an error ‘cannot be resolved’

Question 4

how to keep a variable after a loop or if statement

Answer 4

declare the variable beforehadn

Question 5

can variables in scope be redefined

Answer 5

no

Question 6

when do variables defined in initialisation of for loop lose scope

Answer 6

when for loop completes

Question 7

when do variables inside for loops lose scope

Answer 7

at each iteration of the for loop