Can we use a variable assigned into while loop outside the loop?

Answer 1

Assigned yes, declared no.
int a;
while (condition)
{a+=1;}
int b = a; //will work
while (condition)
{int a =+1;}
int b = a; //error

Answer 2

Public or protected in this case not affect variable visibility scope.

Answer 3

Just updated answer

Answer 4

can you please explain with help of example Dima

Answer 5

As @Dima said is correct

Answer 6

Even if you make it public?