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| About the Author | |
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| Foreword | |
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| Acknowledgments | |
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| Introduction | |
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| Who Is This Book For? | |
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| What This Book Is Not How to Use | |
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| This Book Exercises Conventions Used in This Book | |
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| An Agile Overview | |
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| What Is "Agile?" | |
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| What Is Java? | |
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| Why OO? | |
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| What Is an Object? | |
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| What Are Classes? | |
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| Why UML? | |
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| What Is Inheritance? | |
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| Why Test-Driven Development? | |
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| Setting Up | |
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| Software You''ll Need Does It Work? | |
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| Compiling Hello World Executing Hello World Still Stuck? | |
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| Getting Started | |
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| Testing Design A Simple Test Junit | |
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| Adding a Test Creating a Student | |
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| Creating the Student Class Constructors | |
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| Local Variables Returning a Value from a Method | |
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| Assertions Instance Variables | |
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| Summarizing the Test Refactoring this private | |
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| Naming Conventions Whitespace | |
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| Exercises | |
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| Java Basics | |
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| CourseSession Enrolling Students int Initialization | |
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| Default Constructors Suites | |
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| The SDK and java.util.ArrayList | |
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| Adding Objects Incremental Refactoring | |
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| Objects in Memory Packages and the import Statement | |
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| The java.lang Package | |
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| The Default Package and the package Statement | |
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| The setup Method More Refactoring Class | |
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| Constants Dates Overload Constructors | |
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| Deprecation Warnings Refactoring Creating Dates with Calendar | |
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| Comments Javadoc Comments | |
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| Exercises | |
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| Strings and Packages | |
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| Characters and Strings Strings String | |
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| Builder System Properties | |
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| Looping Through All Students Single-Responsibility | |
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| Principle Refactoring System.out | |
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| Using System.out Refactoring Package | |
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| Structure Access Modifiers Using Ant | |
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| Exercises | |
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| Class Methods and Fields | |
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| Class Methods Class Variables | |
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| Operating on Class Variables with Class Methods | |
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| Static Import Incrementing Factory Methods | |
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| Simple Design Static Dangers | |
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| Using Statics: Various Notes | |
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| Jeff''s Rule of Statics Booleans Tests as Documentation | |
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| More on Initialization Exceptions Revisiting | |
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| Primitive-Type Field Initialization | |
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| Exercises | |
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| Interfaces and Polymorphism | |
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| Sorting: Preparation Sorting: Collections.sort | |
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| Course Report Test Interfaces | |
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| Why Interfaces Implementing Comparable | |
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| Sorting on Department and Number | |
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| The if Statement Grading Students | |
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| Floating-Point Numbers Testing | |
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| Grades Refactoring Enums Polymorphism | |
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| Using Interface | |
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| References | |
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| ArrayList and the List Interface | |
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| Exercises | |
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| Inheritance | |
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| The switch Statement Case Labels | |
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| Are Just Labels Maps Inheritance Abstract Classes | |
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| Extending Methods Refactoring | |
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| Enhancing the Grade Enum Summer Course | |
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| Sessions Calling Superclass Constructors Refactoring | |
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| More on Constructors Inheritance and Polymorphism | |
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| The Principle of Subcontracting | |
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| Exercises | |
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| Legacy Elements | |
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| Looping Constructs Breaking Up a Student''s Name | |
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| The while Loop Comparing Java Loops | |
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| Refactoring Looping Control Statements | |
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| The Ternary Operator Legacy Collections Iterators | |
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| Iterators and the for-each Loop Casting | |
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| Wrapper Classes Arrays Refactoring | |
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| Exercises | |
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| Exceptions and Logging | |
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| Exceptions Dealing With Exceptions | |
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| Checked Exceptions | |
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| Exception Hierarchy Creating | |
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| Your Own Exception Type Checked Exceptions vs. Unchecked | |
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| Exceptions Messages Catching Multiple | |
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| Exceptions Rethrowing | |
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| Exceptions Stack Traces | |
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| The finally Block Refactoring Logging | |
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| Logging in Java Testing Logging | |
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| Logging to Files Testing Philosophy for Logging | |
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| More on File Handler Logging Levels Logging | |
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| Hierarchies Additional Notes on Logging | |
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| Exercises | |
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| Maps and Equality | |
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| Logical Operators Short-Circuiting Hash Tables Courses | |
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| Refactoring Session Equality | |
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| The Contract for Equality Apples and Oranges | |
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| Collections and Equality Hash Tables | |
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| Collisions An Ideal Hash Algorithm | |
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| A Final Note on hashCode | |
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| More on Using HashMaps | |
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| Additional Hash Tables and Set Implementations toString | |
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| Strings and Equality | |
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| Exercises | |
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| Mathematics | |
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| BigDecimal More on Primitive Numerics | |
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| Integer Math Numeric Casting Expression | |
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| Evaluation Order NaN Infinity Numeric | |
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| Overflow Bit Manipulation Java.lang.Math Numeric | |
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| Wrapper Classes Random Numbers | |
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| Exercises | |
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| IO. Organization Character Streams | |
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| Writing to a File Java.io.File | |
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| Byte Streams and Conversion | |
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| A Student User Interface Testing the Application | |
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| Data Streams Course | |