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Book Description
Table of Contents
- Reaction of Readers
- Brief Content
- Detailed Content
- Acknowledgement
- Preface
- Author’s Foreword
- Part 1: Interactive mode
- 1 The Prologue
- Methodology Used
- The Presentation Concept
- The Accompanying Animations
- What You Will Need
- File Manager
- JDK and JRE
- BlueJ Environment
- Working with BlueJ
- Review
- 2 The OOP – Get Acquainted
- The Object Oriented World
- The Objects
- The Classes
- The Messages
- The Structured vs. Object Oriented Program
- The First Project
- The Graphic Language UML
- Classes in the Project
- The Compilation
- Review
- The Object Oriented World
- 3 We Are Sending First Messages
- The Instances and References to Them
- Creating a New Instance
- The Object Bench
- The Messages Sent to Instances
- The Virtual Machine
- Review
- 4 The Test Class
- The Test Fixture
- Creating the New Class
- Creating the Test Fixture
- Creating the Test
- Methods and Constructors
- Review
- 5 The Messages Requiring a Value
- Return Type
- Obtaining the Return Value
- Primitive and Object Types
- References to Objects
- Record of Method Calling
- The getXxx and setXxx Messages/Methods
- Review
- 6 The Messages Requiring an Object
- The Rules for Creating the Identifiers
- Getting the Reference to the Returned Object
- The Instance of String Type
- How to Write the Strings
- Memory Management – Garbage Collector
- Using Methods Returning the Value in Tests
- Review
- 7 The Messages with Parameters
- The Meaning of Parameters
- The Object Construction Using Parameters
- The Dialog Structure for Sending Messages with Parameters
- The Example Continued
- Once More the Object vs. the Reference
- The Parameters of String Type
- The Animation
- Exercise
- Review
- 8 The Object Type Parameters
- The Significance of Quotation Marks when Entering the Strings
- The Class Object
- The Object Type Parameters
- Direct Passing of the Message Return Value
- Briefer Record of Messages
- Exercise
- Review
- 9 The Expedition into the Interior of Instances
- Fields of Instances and of Classes
- Working with the Fields
- The Messages Requesting a Field Value
- Field Accessibility
- Test Fixture Extending
- Monitoring of Field Values
- Static Fields – Class Fields
- Exercise
- Review
- 10 The Interface
- Motivation
- Interface vs. Implementation
- Interface as a Data Type
- Interface versus interface
- Practical Usage
- Preparation of a New Project
- Importing the Class from Another Project
- Implementation of an interface by the Class
- Exercise
- Review
- 11 The Interface Continued
- Readiness for the Future Extension
- The Example: Multishape
- Test Class of the Class
- Variable Number of Parameters
- The Design Pattern Prototype
- Verifying of the Multishape Functioning
- Exercise
- Review
- Readiness for the Future Extension
- 12 The Introduction into Design Patterns
- Design Patterns
- Examples of Design Patterns
- The Implementation of More Interface Types
- Exercise
- Review
- 13 The Inheritance of Interface Types
- Hierarchy of the Types
- Three Types of Inheriting
- One interface Missing
- Signature versus Contract
- Definition of a New Interface Type
- New Hierarchy of the Interface Types
- Inheriting of the Interface Types
- Documentation of the Project
- Exercise
- Review
- 14 Mediator and Listener
- Observer – Listener – Subscriber
- How to Prevent Mutual Cancelling of Shapes
- The Canvas Manager and Its Project
- Recursion
- Other New Features
- Exercise
- Review
- Part 2: Basics of Creating OO Programs
- 15 The First Code
- The New Empty Class
- Files in BlueJ Projects
- The Source Code of the Empty Class
- Constructor
- Adjustment of Presets
- Exercise
- Review
- 16 The First Constructor
- Definition of the Constructor
- Name of the Constructor
- The Working Constructor
- Source Code Formatting
- More Complex Example
- Exercise
- Review
- 17 Parameters
- Parameters and Arguments
- Renaming the Class
- The Test Class of the Light Class
- Exercise
- Review
- 18 The Fields and the Methods
- The Light Has to Learn
- Introducing Fields
- Encapsulation and Implementation Hiding
- The Assignment of the Value to the Field
- Method Definitions
- The Qualification
- The Conflict of Names of a Field and of a Parameter
- Exercise
- Review
- 19 Implementation of an interface
- Interconnecting the Source Code with the Class Diagram
- The Abstract Methods and Classes
- Implementation of a Method Declared by an Implemented Interface
- The @Override Annotation
- The Interface and the Class File
- Test Class
- Exercise
- Review
- 20 Comments
- Commenting Parts of a Code
- Comments in Java
- Documentation Comments
- Documentation of the Classes and the Whole Project
- The Standard Class Template
- Formatting of the Documentation Comments
- Javadoc Tags
- Comments Marking Sections of the Source Code
- Empty Method’s Pattern
- Exercise
- Review
- 21 Using of this
- The Hidden Parameter this
- Unsuitable Copying of the Code
- The Details of the Constructor’s Work
- Adjustment of the Constructors Using this
- Exercise
- Review
- 22 Overloading
- Further Constructors
- Overloading of the Methods
- The Identifiers of Parameters
- The Identification of the Called Method
- The Basic Arithmetic Operators
- Exercise
- Review
- 23 The Local Variables
- The Auxiliary Methods
- The Local Variables
- Fields × Parameters × Local Variables
- The Applicability (The Range of Validity)
- The Initialization (Assigning the Initial Value)
- The Lifetime
- Position and Module Setting
- The Constants and the Magic Values
- Exercise
- Review
- 24 Methods Returning a Value
- Fields versus Properties
- The Accessory methods
- The Properties Saved in the Fields
- Returning of the Values Obtained by Calculation
- Object Equality Testing
- Test of Returning the Proper Value
- Exercise
- Review
- 25 The Crate
- The Fields Representing a Set of Values
- Passing Parameters by Value and by Reference
- Crate / Transport Object
- The Constants
- Methods Working with the Crate
- Exercise
- 1. Put the project 125b_Crate_Start into operation
- 2. Import the classes Light, Arrow, TrafficLight and Car and put them into operation
- 3. Supplement and Test these Classes
- Review
- 26 Strings and How to Work with Them
- Problems with Comparing the Objects
- Concatenation of the Text Strings
- Text Representation (Text Signature)
- Line Ending
- The Escape Sequence
- The Standard Output
- Terminal Window
- The Standard Error Output
- Exercise
- Review
- 27 A Bit of Logic
- Problems with Objects Comparing
- The Cast Operator (Type)
- Numerical Comparison Operators < <= == >= > !=
- Operators and their Arity
- Comparison of Objects
- Logical Complement Operator !
- Conjunction (ConditionalAnd) Operators && and &
- Disjunction (ConditionalOr) Operators || and |
- Type Comparison Operator instanceof
- Contract of the equals(Object) Method
- Value Types and Reference Types
- Reference Types
- Value Types
- Exercise
- Review
- 28 Class Methods and Fields
- Counted Objects
- Static Fields
- Order of Modifiers
- Program Modifications
- Innovation of the toString() Method
- Town
- Entering
- An Analysis
- Exercise
- Review
- 29 Refactoring of the Code
- What is Refactoring
- How to Solve Our Problem
- The IModular Interface
- A Servant Class
- The Method auxSwapPositionsWithCheck
- Generalization of a Method
- Adjustment for Arrows
- Adaptation of Test Classes
- The testPositionSize Test Method
- Generalization of a Copied Method
- Adapting the Method to Different Requirements
- Exercise
- Review
- 30 Static Constructor – Class Constructor
- Class Constructor – Static Constructor
- The Call class
- Loading and Initializing of a Class
- Details of Class Initializing
- What Should Be Remembered
- Procedure of Instance Creating
- Details on Constructing an Object Once Again
- Instance Instruction
- Exercise
- Review
- 31 Debugger
- The Importance of Debugger
- Activating of the Debugger
- Debugger’s Window
- Stepping through / Tracing the Program
- The Call Sequence Panel
- Return Stack
- Local Variables
- Stepping through Test Methods
- Exercise
- Review
- 32 Creating of an Standalone Application
- Assignment
- The Dispatcher Class
- The IUFOFactory Interface
- Design Pattern Factory Method
- The IUFO Interface
- The move(int) Method
- A Constructor
- Controlling by Direct Message Sending
- Controlling from a Keyboard
- Creating a Standalone Application
- The Main Class of an Application
- Creating Executable Archives
- Exercise
- Review
- Part 3: Advanced Creating of OO Programs
- 33 Packages
- Packages and Folders
- Big Programs and Their Problems
- Conventions for Project Names
- Creating Packages in BlueJ
- The package statement
- Tree of Packages
- Simple and Full Names
- Package java.lang
- The import Statement
- Package Name Convention
- Change in Package Dividing
- Why the Star Notation is Unsuitable
- Exercise
- Review
- 34 Linking of Instances
- Conditions, the Future Objects Have to Meet
- The RoadField Class
- The Ring Class
- The Design Pattern Builder
- The RingBuilder Class
- Creating of Rings
- Static Import
- The RingTest Class
- Exercise
- Review
- 35 Decorator
- Recursion
- Analysis of Error Message
- Multimover Class and IMultimovable Interface
- Ambitions of Objects
- Design Pattern Decorator
- The Circular Class
- Test Completing
- Exercise
- Review
- 36 Teaching Cars to Turn
- Reference Area and Relative Coordinates
- Creating of Objects Turned to Entered Direction
- Effective Re-drawing of Modified Objects
- Block
- The IDirectable Interface
- Decorator DirectableCircular
- Exercise
- Review
- 37 Controlling from Keyboard
- The Controller
- Preparation of the Race
- Conditional Statement – the if Statement
- Using a Block
- The IRacer Interface
- Premature return
- Embedded Conditional Statement
- Time Measurement
- Automatic and Explicit Casting
- Finishing the Race Class
- Exercise
- Review
- 38 Containers and Maps
- Containers and a Library of Collections
- Dictionaries and Maps
- Member Classes
- The Map<K,V> Interface and the HashMap<K,V> Class
- Generic Types and Type Parameters
- Interface vs. Implementation
- Initialization
- The Registration
- The Check of Transits
- The End of the Race
- The IRace Interface
- Exercise
- Review
- 39 Further Programming Constructions
- Collections that Can Be Received from a Map
- Collection Library
- The for(:) Loop
- Race for Several Rings
- Increment and Decrement Operators
- Exceptions and Their Throwing
- Further Corrections in Older Classes
- Exercise
- Review
- 40 The Factory Method Second Time
- Problems with Variant Rings
- The IRingFactory Interface
- More Complex Factory
- Complete Conditional Statement
- Methods with a Variable Number of Parameters
- The Classic for Loop
- Exercise
- Review
- 41 The Loops
- Size of a Roadfield
- The Lazy Initialization
- Determining of Lower and Upper Limits
- Leaving the Loop from Inside of Its Body
- The Sequence of if … else if
- Side Effects of Methods
- Loops Taxonomy
- The while Loop – the Loop with a Condition at the Beginning
- The do … while Loop – the Loop with a Condition at the End
- The switch Statement
- Change of the Module for Ring
- The ParallelRace Class
- Exercise
- Review
- 42 Lists and Their Ordering
- Enum Types
- Enum Type Using
- The State Diagram
- The Lists
- Modifications of the ParallelRace Class
- Sorting the List Content
- Native (Natural) Sorting
- Alternative Sorting and the Design Pattern Command
- Exercise
- Review
- Enum Types
- 43 The Array
- Declaration of an Array Variable
- Creating and Initializing an Array
- Methods with a Variable Number of Parameters
- How to Use the Array
- Sorting of the Array Content
- How to Express Numbers with Words
- Exercise
- Review
- 44 The Finale
- Index
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