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

Get full access to OCA Java SE 7 Programmer I Study Guide (Exam 1Z0-803), 2nd Edition and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Start your free trial

Working with Classes and Their Relationships

CHAPTER OBJECTIVES

• Understand Class Compositions and Associations

• Class Compositions and Associations in Practice

Two-Minute Drill

Q&A Self Test

Object relationships are often described in terms of composition and association. The SCJA exam (predecessor to the OCA exam) included questions that required that you understand the relationship between objects and distinguish between a composition relationship and an association relationship. The OCA exam does not include specific objectives ...

Get OCA Java SE 7 Programmer I Study Guide (Exam 1Z0-803), 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now