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  • Book Overview & Buying OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808
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OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808

OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808

By : Jeanne Boyarsky, Scott Selikoff
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OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808

OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808

By: Jeanne Boyarsky, Scott Selikoff

Overview of this book

OCA, Oracle Certified Associate Java SE 8 Programmer I Study Guide, Exam 1Z0-808 is a comprehensive study guide for those taking the Oracle Certified Associate Java SE 8 Programmer I exam (1Z0-808). With complete coverage of 100% of the exam objectives, this book provides everything you need to know to confidently take the exam. The release of Java 8 brought the language’s biggest changes to date, and for the first time, candidates are required to learn functional programming to pass the exam. This study guide has you covered, with thorough functional programming explanation and information on all key topic areas Java programmers need to know. You’ll cover Java inside and out and learn how to apply it efficiently and effectively to create solutions applicable to real-world scenarios.
Table of Contents (18 chapters)
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1
Title Page
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Title Page
2
Copyright
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Copyright
3
Publisher's Note
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Publisher's Note
4
Dedication
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Dedication
5
Acknowledgments
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Acknowledgments
6
About the Authors
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About the Authors
7
Introduction
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Introduction
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The OCA Exam
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Scheduling the Exam
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The Day of the Exam
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Finding Out Your Score
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Exam Questions
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Getting Started
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Getting Help
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Who Should Buy This Book
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How This Book Is Organized
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Free Online Learning Environment
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Conventions Used in This Book
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OCA Exam Objectives
8
Assessment Test
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Assessment Test
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Answers to Assessment Test
9
Chapter 1: Java Building Blocks
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Chapter 1: Java Building Blocks
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Understanding the Java Class Structure
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Writing a main() Method
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Understanding Package Declarations and Imports
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Creating Objects
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Distinguishing Between Object References and Primitives
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Declaring and Initializing Variables
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Understanding Default Initialization of Variables
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Understanding Variable Scope
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Ordering Elements in a Class
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Destroying Objects
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Benefits of Java
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Summary
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Exam Essentials
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Review Questions
10
Chapter 2: Operators and Statements
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Chapter 2: Operators and Statements
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Understanding Java Operators
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Working with Binary Arithmetic Operators
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Working with Unary Operators
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Using Additional Binary Operators
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Understanding Java Statements
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Understanding Advanced Flow Control
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Summary
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Exam Essentials
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Review Questions
11
Chapter 3: Core Java APIs
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Chapter 3: Core Java APIs
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Creating and Manipulating Strings
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Using the StringBuilder Class
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Understanding Equality
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Understanding Java Arrays
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Understanding an ArrayList
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Working with Dates and Times
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Summary
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Exam Essentials
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Review Questions
12
Chapter 4: Methods and Encapsulation
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Chapter 4: Methods and Encapsulation
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Designing Methods
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Working with Varargs
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Applying Access Modifiers
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Passing Data Among Methods
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Overloading Methods
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Creating Constructors
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Encapsulating Data
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Writing Simple Lambdas
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Summary
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Exam Essentials
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Review Questions
13
Chapter 5: Class Design
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Chapter 5: Class Design
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Introducing Class Inheritance
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Creating Abstract Classes
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Implementing Interfaces
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Understanding Polymorphism
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Summary
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Exam Essentials
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Review Questions
14
Chapter 6: Exceptions
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Chapter 6: Exceptions
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Understanding Exceptions
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Using a try Statement
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Recognizing Common Exception Types
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Calling Methods That Throw Exceptions
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Summary
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Exam Essentials
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Review Questions
15
Free Online Learning Environment
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Free Online Learning Environment
16
End User License Agreement
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End User License Agreement
1
Appendix A: Answers to Review Questions
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Appendix A: Answers to Review Questions
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Chapter 1: Java Building Blocks
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Chapter 2: Operators and Statements
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Chapter 3: Core Java APIs
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Chapter 4: Methods and Encapsulation
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Chapter 5: Class Design
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Chapter 6: Exceptions
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Appendix B: Study Tips
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Appendix B: Study Tips
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Studying for the Test
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Taking the Test

Benefits of Java

Java has some key benefits that you'll need to know for the exam:

  1. Object Oriented Java is an object-oriented language, which means all code is defined in classes and most of those classes can be instantiated into objects. We'll discuss this more throughout the book. Many languages before Java were procedural, which meant there were routines or methods but no classes. Another common approach is functional programming. Java allows for functional programming within a class, but object oriented is still the main organization of code.
  2. Encapsulation Java supports access modifiers to protect data from unintended access and modification. Most people consider encapsulation to be an aspect of object-oriented languages. Since the exam objectives call attention to it specifically, so do we.
  3. Platform Independent Java is an interpreted language because it gets compiled to bytecode. A key benefit is that Java code gets compiled once rather than needing to be recompiled for...
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
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OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808
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