Java Programming by Pearson

Introduction to Operators and Expression in Java • 73

3.14 SCOPE AND LIFETIME

When a variable is declared within a function or a block (A block can be created by enclosing statements

within {}) that variable is accessible only to that block or function. Other blocks/functions cannot access

that variable as they are local to that block/function, and where the variable can be accessed is called the

scope of the variable. In other words, it is called the portion of program where the variable may be visible

or available.

Nesting of scope can be done, i.e., one block can be created inside another block. All the variables

of the outer block can ...