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Object-Oriented Programming Concepts
- What Is an Object?
- What Is a Message?
- What Is a Class?
- What Is Inheritance?
- What Is an Interface?
- How Do These Concepts Translate into Code?
- Questions and Exercises: Object-Oriented Concepts
Language Basics
- Variables
- Data Types
- Variable Names
- Scope
- Variable Initialization
- Final Variables
- Summary of Variables
- Questions and Exercises: Variables
- Operators
- Arithmetic Operators
- Relational and Conditional Operators
- Shift and Logical Operators
- Assignment Operators
- Other Operators
- Summary of Operators
- Questions and Exercises: Operators
- Expressions, Statements, and Blocks
- Questions and Exercises: Expressions, Statements, and Blocks
- Control Flow Statements
- The while and do-while Statements
- The for Statement
- The if/else Statements
- The switch Statement
- Exception Handling Statements
- Branching Statements
- Summary of Control Flow Statements
- Questions and Exercises: Control Flow
Object Basics and Simple Data Objects
- The Life Cycle of an Object
- Creating Objects
- Using Objects
- Cleaning Up Unused Objects
- Summary of Creating and Using Objects
- Questions and Exercises: Creating and Using Objects
- Characters and Strings
- Why Two String Classes?
- Creating Strings and StringBuffers
- Accessor Methods
- More Accessor Methods
- Modifying StringBuffers
- Converting Objects to Strings
- Converting Strings to Numbers
- Strings and the Java Compiler
- Summary of Strings
- Questions and Exercises: Strings
- Numbers
- Formatting Numbers
- Using Predefined Formats
- Customizing Formats
- Summary of Numbers
- Questions and Exercises: Numbers
- Arrays
- Creating and Using Arrays
- Arrays of Objects
- Arrays of Arrays
- Copying Arrays
- Summary of Arrays
- Questions and Exercises: Arrays
Classes and Inheritance
- Creating Classes
- The Class Declaration
- The Class Body
- Providing Constructors for Your Classes
- Declaring Member Variables
- Implementing Methods
- Details of a Method Declaration
- Passing Information into a Method
- The Method Body
- Controlling Access to Members of a Class
- Understanding Instance and Class Members
- Questions and Exercises: Creating Classes
- Managing Inheritance
- Understanding Inheritance
- Overriding Methods
- Being a Descendent of Object
- Writing Final Classes and Methods
- Writing Abstract Classes and Methods
- Questions and Exercises: Managing Inheritance
- Implementing Nested Classes
- Inner Classes
- Questions and Exercises: Implementing Nested Classes
Interfaces and Packages
- Creating Interfaces
- What Is an Interface?
- Defining an Interface
- Implementing an Interface
- Using an Interface as a Type
- Warning! Interfaces Cannot Grow
- Summary of Creating Interfaces
- Questions and Exercises: Creating Interfaces
- Creating and Using Packages
- Creating a Package
- Using Package Members
- Managing Source and Class Files
- Summary of Creating and Using Packages
- Questions and Exercises: Creating and Using Packages
Solving Common Coding Problems
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