This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Akhilesh Trivedi wrote:scope means availability or visibility or accessibility.
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No it doesn’t. Visibility and accessibility are different from scope. It might mean availability, but I would go farther and say it means the very existence of the variable. Fields are always in scope for the whole class, so that problem does not exist there. But in a loop, like this one…the value of i is put on the stack, and at the end of the first loop, all records of what is on the stack may be gone. So the value of i can be deleted from the stack, or more precisely replaced by another value. Or, to put it another way, when the scope of i is finished, its very existence is finished too.