OCA/OCP Java SE 8 Programmer Certification Kit - Boyarsky, Jeanne

Résumé :
Your complete certification guide on the path to Oracle Java SE The Oracle Java SE Certification track now consists of three levels - Associate (OCA), Professional (OCP), and Master (OCM). This valuable kit helps you attain success at the OCA and OCP levels, providing clarification of the complex material along with plenty of practice that covers all exam objectives. OCA / OCP Oracle Java SE 8 Programmer Certification Kit is the ideal tool for preparing for the OCA and OCP exams. With two comprehensive study guides in one package, this kit serves as a helpful companion throughout your journey to Oracle Java SE 8 certification. 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. The OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide has you covered, with thorough functional programming explanation and information on all key topic areas Java programmers need to know, covering one hundred percent of the material on Exam 1Z0-808. Once you're OCA certified, the OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your comprehensive companion for preparing for Exam 1Z0-809 as well as upgrade Exam 1Z0-810 and Exam 1Z0-813. You'll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this guide walks you through everything you need to know to confidently take the OCP 1Z0-809 exam (and upgrade exams 1Z0-810 and 1Z0-813). * Work confidently with operators, conditionals, and loops * Understand object-oriented design principles and patterns * Master functional programming fundamentals * Understand abstract classes, interfaces, and class design * Learn object-oriented design principles and patterns * Delve into functional programming, advanced strings, and localization * Master IO, NIO, and JDBC with expert-led database practice If you're ready to take the next step in your IT career and tackle these challenging exams, OCA / OCP Oracle Java SE 8 Programmer Certification Kit is your ideal companion on the road to certification, and can give you the confidence you need....

Biographie:

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

Introduction xxi

Assessment Test xxxi

Chapter 1 Java Building Blocks 1

Understanding the Java Class Structure 2

Fields and Methods 2

Comments 4

Classes vs. Files 5

Writing a main() Method 6

Understanding Package Declarations and Imports 9

Wildcards 10

Redundant Imports 11

Naming Conflicts 12

Creating a New Package 13

Code Formatting on the Exam 16

Creating Objects 16

Constructors 17

Reading and Writing Object Fields 18

Instance Initializer Blocks 18

Order of Initialization 19

Distinguishing Between Object References and Primitives 20

Primitive Types 20

Reference Types 24

Key Differences 25

Declaring and Initializing Variables 25

Declaring Multiple Variables 26

Identifiers 27

Understanding Default Initialization of Variables 29

Local Variables 29

Instance and Class Variables 30

Understanding Variable Scope 31

Ordering Elements in a Class 34

Destroying Objects 36

Garbage Collection 36

finalize() 38

Benefits of Java 39

Summary 40

Exam Essentials 41

Review Questions 42

Chapter 2 Operators and Statements 51

Understanding Java Operators 52

Working with Binary Arithmetic Operators 53

Arithmetic Operators 53

Numeric Promotion 55

Working with Unary Operators 57

Logical Complement and Negation Operators 57

Increment and Decrement Operators 58

Using Additional Binary Operators 60

Assignment Operators 60

Compound Assignment Operators 62

Relational Operators 63

Logical Operators 64

Equality Operators 65

Understanding Java Statements 66

The if-then Statement 67

The if-then-else Statement 68

The switch Statement 72

The while Statement 76

The do-while Statement 78

The for Statement 80

Understanding Advanced Flow Control 86

Nested Loops 87

Adding Optional Labels 87

The break Statement 88

The continue Statement 90

Summary 92

Exam Essentials 92

Review Questions 94

Chapter 3 Core Java APIs 101

Creating and Manipulating Strings 102

Concatenation 102

Immutability 104

The String Pool 105

Important String Methods 105

Method Chaining 110

Using the StringBuilder Class 111

Mutability and Chaining 112

Creating a StringBuilder 113

Important StringBuilder Methods 114

StringBuilder vs. StringBuffer 117

Understanding Equality 117

Understanding Java Arrays 119

Creating an Array of Primitives 119

Creating an Array with Reference Variables 121

Using an Array 123

Sorting 124

Searching 125

Varargs 126

Multidimensional Arrays 126

Understanding an ArrayList 129

Creating an ArrayList 129

Using an ArrayList 130

Wrapper Classes 134

Autoboxing 136

Converting Between array and List 136

Sorting 138

Working with Dates and Times 138

Creating Dates and Times 138

Manipulating Dates and Times 142

Working with Periods 145

Formatting Dates and Times 148

Parsing Dates and Times 151

Summary 151

Exam Essentials 152

Review Questions 153

Chapter 4 Methods and Encapsulation 165

Designing Methods 166

Optional Specifiers 168

Return Type 169

Method Name 170

Parameter List 171

Optional Exception List 171

M...

Sommaire:
Your complete certification guide on the path to Oracle Java SE The Oracle Java SE Certification track now consists of three levels - Associate (OCA), Professional (OCP), and Master (OCM). This valuable kit helps you attain success at the OCA and OCP levels, providing clarification of the complex material along with plenty of practice that covers all exam objectives. OCA / OCP Oracle Java SE 8 Programmer Certification Kit is the ideal tool for preparing for the OCA and OCP exams. With two comprehensive study guides in one package, this kit serves as a helpful companion throughout your journey to Oracle Java SE 8 certification. 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. The OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide has you covered, with thorough functional programming explanation and information on all key topic areas Java programmers need to know, covering one hundred percent of the material on Exam 1Z0-808. Once you're OCA certified, the OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your comprehensive companion for preparing for Exam 1Z0-809 as well as upgrade Exam 1Z0-810 and Exam 1Z0-813. You'll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this guide walks you through everything you need to know to confidently take the OCP 1Z0-809 exam (and upgrade exams 1Z0-810 and 1Z0-813). * Work confidently with operators, conditionals, and loops * Understand object-oriented design principles and patterns * Master functional programming fundamentals * Understand abstract classes, interfaces, and class design * Learn object-oriented design principles and patterns * Delve into functional programming, advanced strings, and localization * Master IO, NIO, and JDBC with expert-led database practice If you're ready to take the next step in your IT career and tackle these challenging exams, OCA / OCP Oracle Java SE 8 Programmer Certification Kit is your ideal companion on the road to certification, and can give you the confidence you need....