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Oracle certified associate, Java SE 7 programmer study guide : comprehensive review of Oracle certified associate, Java SE 7 programmer certification objectives /
Each objective is addressed using a series of programming examples. When the topic impacts memory, stack and heap illustrations are used to provide the reader with a more in depth understanding of the topic. At the end of each chapter, a series of sample questions are provided to reinforce your know...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, UK :
Packt Pub.,
©2012.
|
| Colección: | Professional expertise distilled.
|
| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 245 | 1 | 0 | |a Oracle certified associate, Java SE 7 programmer study guide : |b comprehensive review of Oracle certified associate, Java SE 7 programmer certification objectives / |c Richard M. Reese. |
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| 520 | |a Each objective is addressed using a series of programming examples. When the topic impacts memory, stack and heap illustrations are used to provide the reader with a more in depth understanding of the topic. At the end of each chapter, a series of sample questions are provided to reinforce your knowledge. 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. | ||
| 505 | 0 | |a Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with Java; Understanding Java as a technology; Object-oriented software development; OOP principles; Examining the types of Java applications; Exploring the structure of a Java console program; A simple Java application; Package; Import; The Customer class; Instance variables; Methods; The CustomerDriver class' main method; Exploring the structure of a class; Classes, interfaces, and objects; Classes and objects; Constructors; Interfaces; Methods | |
| 505 | 8 | |a Method declarationMethod signature; The main method; Access modifiers; Documentation; Comments; Java naming conventions; Using Javadocs; Investigating the Java application development process; Compiling a Java application; SDK file structure; IDE file structure; Developing Java applications without an IDE; Java environment; Annotations; Java class libraries; Summary; Certification objectives covered; Test your knowledge; Chapter 2: Java Data Types and Their Usage; Understanding how Java handles data; Java identifiers, objects, and memory; Stack and heap; Declaring a variable | |
| 505 | 8 | |a Primitive data typesWrapper classes and autoboxing; Initializing identifiers; Java constants, literals, and enumerations; Literals; Constants; The final keyword; Enumerations; Immutable objects; Instance versus static data; Scope and lifetime; Scoping rules; Access modifiers; Data summary; Building expressions using operands and operators; Precedence and associativity; Casting; Working with characters and strings; The String, StringBuffer, and StringBuilder classes; Unicode characters; The Character class; The Character class -- methods; The String class; String comparisons | |
| 505 | 8 | |a Misusing the equality operatorUsing inverse operations; Using Boolean variables instead of logical expressions; Using true or false in a logical expression; The perils of not using the block statement; The dangling else problem; Conditional operator; The switch statement; Integer-based switch statements; Enumeration-based switch statements; String-based switch statements; String issues with the switch statement; Control structure issues; General decision constructs issues; Floating point number considerations; Special floating point values; Comparing floating point numbers; Rounding errors | |
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