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Contents
Preface
I
Introduction
Objectives I-2
Course Overview I-3
1 Introducing the Java and Oracle Platforms
Objectives 1-2
What Is Java? 1-3
Key Benefits of Java 1-4
An Object-Oriented Approach 1-6
Platform Independence 1-7
Using Java with Enterprise Internet Computing 1-8
Using the Java Virtual Machine 1-10
How Does JVM Work? 1-12
Benefits of Just-In-Time (JIT) Compilers 1-14
Implementing Security in the Java Environment 1-16
Deployment of Java Applications 1-18
Using Java with Oracle 10g 1-19
Java Software Development Kit 1-20
Using the Appropriate Development Kit 1-21
Integrated Development Environment 1-22
Exploring the JDeveloper Environment 1-23
Oracle10g Products 1-24
Summary 1-25
2 Defining Object-Oriented Principles
Objectives 2-2
What Is Modeling? 2-4
What Are Classes and Objects? 2-5
An Object’s Attributes Maintain Its State 2-6
Objects Have Behavior 2-8
Objects Are Modeled as Abstractions 2-9
Defining Object Composition 2-11
The Donut Diagram 2-13
Guided Practice: Spot the Operations and Attributes 2-14
Collaborating Objects 2-15
Objects Interact Through Messages 2-16
What Is a Class? 2-17
How Do You Identify a Class? 2-18
Comparing Classes and Objects 2-19
What Is Encapsulation? 2-21
What Is Inheritance? 2-22
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Using the “Is-a-Kind-of” Relationship 2-23
What Is Polymorphism? 2-24
Architecture Rules for Reuse 2-26
Engineering for a Black Box Environment 2-27
Order Entry UML Diagram 2-28
Summary 2-29
Practice 2: Overview 2-30
Order Entry System Partial UML Class Model 2-33
3 Basic Java Syntax and Coding Conventions
Objectives 3-2
Examining Toolkit Components 3-4
Exploring Packages in J2SE/J2EE 3-5
Documenting Using the J2SE 3-6
Contents of a Java Source 3-7
Establishing Naming Conventions 3-8
More About Naming Conventions 3-10
Defining a Class 3-12
Rental Class: Example 3-13
Creating Code Blocks 3-15
Defining Java Methods 3-16
Examples of a Method 3-17
Declaring Variables 3-18
Examples of Variables in the Context of a Method 3-19
Rules for Creating Statements 3-20
What Are JavaBeans? 3-21
Managing Bean Properties 3-22
Exposing Properties and Methods 3-23
JavaBean Standards at Design Time 3-24
Compiling and Running a Java Application 3-25
The CLASSPATH Variable 3-26
CLASSPATH: Example 3-27
Summary 3-28
Practice 3: Overview 3-29
4 Exploring Primitive Data Types and Operators
Objectives 4-2
Reserved Keywords 4-4
Variable Types 4-5
Primitive Data Types 4-7
What Are Variables? 4-9
Declaring Variables 4-10
Local Variables 4-11
Defining Variable Names 4-12
What Are Numeric Literals? 4-13
What Are Nonnumeric Literals? 4-15
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Guided Practice: Declaring Variables 4-17
What Are Operators? 4-19
Categorizing Operators 4-20
Using the Assignment Operator 4-21
Working with Arithmetic Operators 4-22
More on Arithmetic Operators 4-23
Examining Conversions and Casts 4-24
Incrementing and Decrementing Values 4-26
Relational and Equality Operators 4-27
Using the Conditional Operator (?:) 4-28
Using Logical Operators 4-29
Compound Assignment Operators 4-30
Operator Precedence 4-31
More on Operator Precedence 4-32
Concatenating Strings 4-33
Summary 4-34
Practice 4: Overview 4-35
5 Controlling Program Flow
Objectives 5-2
Categorizing Basic Flow Control Types 5-4
Using Flow Control in Java 5-6
Using the if Statement 5-7
Nesting if Statements 5-8
Guided Practice: Spot the Mistakes 5-9
Defining the switch Statement 5-10
More About the switch Statement 5-12
Looping in Java 5-13
Using the while Loop 5-14
Using the do…while Loop 5-15
Using the for Loop 5-16
More About the for Loop 5-17
Guided Practice: Spot the Mistakes 5-18
The break Statement 5-19
Summary 5-20
Practice 5: Overview 5-21
6 Building Applications with Oracle JDeveloper 10g
Objectives 6-2
What Is Oracle JDeveloper 10g? 6-3
Exploring the JDeveloper Environment 6-4
Examining Workspaces 6-5
What Are Projects? 6-7
Creating JDeveloper Items 6-8
Creating an Application Workspace 6-9
Specifying Project Details 6-10
Selecting Additional Libraries 6-11
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Adding a New J2SE 6-12
Looking at the Directory Structure 6-13
Exploring the Skeleton Java Application 6-14
Finding Methods and Fields 6-15
Supporting Code Development with Profiler and Code Coach 6-16
Customizing JDeveloper 6-17
Using the Help System 6-18
Obtaining Help on a Topic 6-19
Oracle JDeveloper 10g Debugger 6-20
Setting Breakpoints 6-22
Using the Debugger Windows 6-24
Stepping Through a Program 6-25
Watching Data and Variables 6-26
Summary 6-27
Practice 6: Overview 6-28
7 Creating Classes and Objects
Objectives 7-2
Using Java Classes 7-4
Comparing Classes and Objects 7-5
Creating Objects 7-6
Using the new Operator 7-7
Comparing Primitives and Objects 7-8
Using the null Reference 7-9
Assigning References 7-10
Declaring Instance Variables 7-11
Accessing public Instance Variables 7-12
Defining Methods 7-13
Calling a Method 7-14
Specifying Method Arguments: Examples 7-15
Returning a Value from a Method 7-16
Calling Instance Methods 7-17
Applying Encapsulation in Java 7-18
Passing Primitives into Methods 7-19
Passing Object References into Methods 7-20
What Are Class Variables? 7-21
Initializing Class Variables 7-22
What Are Class Methods? 7-23
Guided Practice: Class Methods or Instance Methods 7-24
Examples in Java 7-25
Creating Classes Using the Class Editor 7-26
What Are Java Packages? 7-27
Grouping Classes in a Package 7-28
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Setting the CLASSPATH with Packages 7-29
Access Modifiers 7-30
Summary 7-32
Practice 7: Overview 7-33
8 Object Life Cycle and Inner Classes
Objectives 8-2
Overloading Methods 8-4
Using the this Reference 8-5
Initializing Instance Variables 8-6
What Are Constructors? 8-7
Defining and Overloading Constructors 8-8
Sharing Code Between Constructors 8-9
final Variables, Methods, and Classes 8-10
Reclaiming Memory 8-11
Using the finalize() Method 8-12
What Are Inner Classes? 8-13
Using Member Inner Class 8-14
Using Local Inner Class 8-15
Defining Anonymous Inner Classes 8-16
Using the Calendar Class 8-17
Summary 8-18
Practice 8: Overview 8-19
9 Using Strings, String Buffer, Wrapper, and Text-Formatting Classes
Objectives 9-2
What Is a String? 9-3
Creating a String 9-4
Concatenating Strings 9-5
Performing Operations on Strings 9-6
Performing More Operations on Strings 9-7
Comparing String Objects 9-8
Producing Strings from Other Objects 9-9
Producing Strings from Primitives 9-10
Producing Primitives from Strings 9-11
Wrapper Class Conversion Methods 9-12
Changing the Contents of a String 9-13
Formatting Classes 9-14
Using the SimpleDateFormat Class 9-15
Using the MessageFormat Class 9-16
Using DecimalFormat 9-17
Guided Practice 9-18
Using Regular Expressions 9-20
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About System.out.println 9-23
About OutputStream and PrintStream 9-24
What Is Object Serialization? 9-25
Serialization Streams, Interfaces, and Modifiers 9-28
Summary 9-29
Practice 9: Overview 9-30
10 Reusing Code with Inheritance and Polymorphism
Objectives 10-2
Key Object-Oriented Components 10-3
Example of Inheritance 10-4
Specifying Inheritance in Java 10-5
Defining Inheritance by Using Oracle JDeveloper 10g 10-6
What Does a Subclass Object Look Like? 10-7
Default Initialization 10-8
The super Reference 10-9
The super Reference Example 10-10
Using Superclass Constructors 10-11
Specifying Additional Methods 10-13
Overriding Superclass Methods 10-15
Invoking Superclass Methods 10-17
Example of Polymorphism in Java 10-19
Treating a Subclass as Its Superclass 10-20
Browsing Superclass References by Using Oracle JDeveloper 10g 10-21
Acme Video and Polymorphism 10-22
Using Polymorphism for Acme Video 10-23
Using the instanceof Operator 10-25
Limiting Methods and Classes with final 10-26
Ensuring Genuine Inheritance 10-27
Summary 10-28
11 Using Arrays and Collections
Objectives 11-2
What Is an Array? 11-3
Creating an Array of Primitives 11-4
Declaring an Array of Primitives 11-5
Creating an Array Object for an Array of Primitives 11-6
Initializing Array Elements 11-8
Creating an Array of Object References 11-9
Initializing the Objects in the Array 11-10
Using an Array of Object References 11-11
Arrays and Exceptions 11-12
Multidimensional Arrays 11-13
main() Revisited 11-14
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Working with Variable-Length Structures 11-15
Modifying a Vector 11-16
Accessing a Vector 11-17
Java Collections Framework 11-18
Collections Framework Components 11-20
Using ArrayList and Hashtable 11-21
Using Iterators 11-22
Summary 11-23
Practice 11: Overview 11-24
12 Structuring Code by Using Abstract Classes and Interfaces
Objectives 12-2
Defining Abstract Classes 12-3
Creating Abstract Classes 12-4
What Are Abstract Methods? 12-5
Defining Abstract Methods 12-7
Defining and Using Interfaces 12-8
Examples of Interfaces 12-9
Creating Interfaces 12-10
Implementing Interfaces 12-12
Sort: A Real-World Example 12-13
Overview of the Classes 12-14
How the Sort Works 12-15
The Sortable Interface 12-16
The Sort Class 12-17
The Movie Class 12-18
Using the Sort 12-19
Using instanceof with Interfaces 12-20
Summary 12-21
Practice 12: Overview 12-22
13 Throwing and Catching Exceptions
Objectives 13-2
What Is an Exception? 13-3
How Does Java Handle Exceptions? 13-4
Advantages of Java Exceptions: Separating Error Handling Code 13-5
Advantages of Java Exceptions: Passing Errors Up the Call Stack 13-7
Advantages of Java Exceptions: Exceptions Cannot Be Ignored 13-8
Checked Exceptions, Unchecked Exceptions, and Errors 13-9
What to Do with an Exception 13-11
Catching and Handling Exceptions 13-12
Catching a Single Exception 13-13
Catching Multiple Exceptions 13-14
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Cleaning Up with a finally Block 13-15
Catching and Handling Exceptions: Guided Practice 13-16
Allowing an Exception to Pass to the Calling Method 13-18
Throwing Exceptions 13-19
Creating Exceptions 13-20
Catching an Exception and Throwing a Different Exception 13-21
Summary 13-22
Practice 13: Overview 13-23
14 User Interface Design: Swing Basics Planning the Application Layout
Objectives 14-2
Running Java UI Applications 14-3
AWT, Swing, and JFC 14-4
Swing Features 14-6
Lightweight or Heavyweight Components? 14-8
Planning the UI Layout 14-9
The Containment Hierarchy 14-10
Top-Level Containers 14-12
Intermediate Containers 14-14
Atomic Components 14-15
Layout Management Overview 14-16
Border Layout 14-18
GridBag Layout 14-19
GridBag Constraints 14-20
Using Layout Managers 14-22
Combining Layout Managers 14-24
Using Frames or Dialogs 14-25
Using JPanel Containers 14-27
Adding Borders to Components 14-29
Using Internal Frames 14-30
Swing Text Controls 14-32
Adding Components with Oracle JDeveloper 10g 14-33
Creating a Frame 14-34
Adding Components 14-35
Setting Pluggable Look and Feel 14-37
Summary 14-39
Practice 14: Overview 14-40
15 Adding User Interface Components and Event Handling
Objectives 15-2
Swing Components 15-3
Swing Components in JDeveloper 15-5
Invoking the UI Editor 15-7
How to Add a Component to a Form 15-8
Edit the Properties of a Component 15-9
Code Generated by JDeveloper 15-10
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Creating a Menu 15-12
Using JDeveloper Menu Editor 15-13
Practice 15-1: Overview 15-14
UI for Java Application 15-15
Java Event Handling Model 15-20
Event Handling Code Basics 15-21
Event Handling Process: Registration 15-22
Event Handling Process: The Event Occurs 15-24
Event Handling Process: Running the Event Handler 15-25
Using Adapter Classes for Listeners 15-26
Swing Model View Controller Architecture 15-27
Basic Text Component Methods 15-30
Basic JList Component Methods 15-31
What Events Can a Component Generate? 15-32
How to Define an Event Handler in JDeveloper 15-33
Default Event Handling Code Style Generated by JDeveloper 15-34
Completing the Event Handler Method 15-35
Summary 15-36
Practice 15-2: Overview 15-37
16 Using JDBC to Access the Database
Objectives 16-2
Java, J2EE, and Oracle 10g 16-3
Connecting to a Database with Java 16-4
What Is JDBC? 16-5
Preparing the Environment 16-6
Steps for Using JDBC to Execute SQL Statements 16-8
Step 1: Registering the Driver 16-9
Connecting to the Database 16-10
Oracle JDBC Drivers: Thin Client Driver 16-11
Oracle JDBC Drivers: OCI Client Drivers 16-12
Choosing the Right Driver 16-13
Step 2: Getting a Database Connection 16-14
About JDBC URLs 16-15
JDBC URLs with Oracle Drivers 16-16
Step 3: Creating a Statement 16-17
Using the Statement Interface 16-18
Step 4a: Executing a Query 16-19
The ResultSet Object 16-20
Step 4b: Submitting DML Statements 16-21
Step 5: Processing the Query Results 16-23
Step 6: Closing Connections 16-24
A Basic Query Example 16-25
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