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Oracle Certified Associate, Java SE 7 Programmer Study Guide

Starting
Richard M. Reese

This book is designed specifically to prepare you for the Oracle Certified Associate, Java SE 7 Programmer Certification exam (1Z0-803). Totally focused and user-friendly, it provides all the essential theoretical and practical skills required.
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Book Details

ISBN 139781849687324
Paperback332 pages

About This Book

  • In-depth understanding of Java through the examination of objects and methods
  • Extensive code examples and figures to illustrate key concepts in Java SE 7 including memory usage
  • Additional coverage of good programming and design practices as they relate to the certification objectives
  • Step-by-step coverage of certification exam topics in a simplified and easy-to-learn manner

Who This Book Is For

This book is designed to help you prepare for the Oracle Certified Associate, Java SE 7 Programmer Certification exam (1Z0-803) and gain confidence in your understanding and use of Java. Basic knowledge of Java programming is expected.

Table of Contents

Chapter 1: Getting Started with Java
Understanding Java as a technology
Exploring the structure of a Java console program
Exploring the structure of a class
Investigating the Java application development process
Summary
Certification objectives covered
Test your knowledge
Chapter 2: Java Data Types and Their Usage
Understanding how Java handles data
Building expressions using operands and operators
Working with characters and strings
Summary
Certification objectives covered
Test your knowledge
Chapter 3: Decision Constructs
Flow of control
Logical expressions
The if statement
Conditional operator
The switch statement
Control structure issues
Summary
Certification objectives covered
Test your knowledge
Chapter 4: Using Arrays and Collections
Arrays
Collections
Summary
Certification objectives covered
Test your knowledge
Chapter 5: Looping Constructs
The for statement
The for-each statement
The while statement
The do-while statement
The break statement
The continue statement
Nested loops
Using labels
Infinite loops
Timing is everything
Pitfalls
Summary
Certification objectives covered
Test your knowledge
Chapter 6: Classes, Constructors, and Methods
Classes
Using the this keyword
Constructors
Methods
Instance and static class members
Summary
Certification objectives covered
Test your knowledge
Chapter 7: Inheritance and Polymorphism
Inheritance
Polymorphism
Managing classes and objects
Summary
Certification objectives covered
Test your knowledge
Chapter 8: Handling Exceptions in an Application
Exception types
Exception handling techniques in Java
The traditional try-catch block
Using the try-with-resource block
Catch statement
The finally block
Nested try-catch blocks
Exception handling guidelines
Summary
Certification objectives covered
Test your knowledge
Chapter 9: The Java Application
Code organization
Resource bundles and the Locale class
Using JDBC
Summary
Certification objectives covered
Test your knowledge

What You Will Learn

  • Understanding the program structure and the scope and lifetime of variables
  • Managing the stack and the heap in Java run-time system
  • Supporting string operations using the StringBuilder class
  • Using control constructs including if, switch, for and while statements
  • Declaring and using one and two dimensional arrays
  • Understanding inheritance and the use of polymorphism including how to overload and override methods
  • Controlling access to class members using access modifiers
  • Handling exceptions within a program
  • Understanding and applying good programming techniques to build your applications

In Detail

Java SE 7 Associate Programmer certification adds to your qualification as a Java developer. Knowledge of Java is important, but knowing how to write an efficient and productive code adds to your skills and gives you an edge when you are planning to give the certification exam. Coverage of the objectives goes beyond a simple review of certification objectives.

"Oracle Certified Associate, Java SE 7 Programmer Study Guide" addresses certification exam objectives and provides discussion and examples to show the best ways of applying Java language features in real world programming. You will gain in-depth understanding of Java by examining how objects are allocated in the heap and how methods are managed in the program stack.

"Oracle Certified Associate, Java SE 7 Programmer Study Guide" covers all of the Java SE 7 Associate Programmer certification objectives. It starts with a high level overview of an application’s structure to provide a framework for subsequent chapters. Chapters are organized around common themes with emphasis on memory usage. You will get an in-depth and complete understanding of the run-time Java environment using the illustrations that show the impact of class and method usage on the program stack and heap.

Augmenting the coverage of certification objectives are examples of how you can use the classes, methods, and techniques in a productive and sound manner. In addition, sample exam questions are given in each chapter.

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