SCJA Sun Certified Java Associate Study Guide (Exam CX-310-019)

5Understanding Variable Scope and Class Construction

CERTIFICATION OBJECTIVES

• Understanding Variable Scope

• Constructing Methods

Two-Minute Drill

Q&A Self Test

CERTIFICATION OBJECTIVE

Understanding Variable Scope

Exam Objective 4.2 Given an algorithm as pseudo-code, determine the correct scope for a variable used in the algorithm and develop code to declare variables in any of the following scopes: instance variable, method parameter, and local variable.

The last chapter discussed what a variable is and how it is declared to store different values. This section will explore the way variables are organized in your code. As you can imagine, any ...