OCA Java SE 7 Programmer I Study Guide (Exam 1Z0-803), 2nd Edition

5

Understanding Methods and Variable Scope

CERTIFICATION OBJECTIVES

•    Create and Use Methods

•    Pass Objects by Reference and Value

•    Understand Variable Scope

•    Create and Use Constructors

•    Use this and super Keywords

•    Create Static Methods and Instance Variables

   Two-Minute Drill

Q&A Self Test

This chapter will look at some of the details of methods and variable scoping. You are likely familiar with methods; this chapter will review the nuances of method and constructor creation. The effect of a static variable and method ...