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Preface I Introduction Objectives I-2 Course Overview I-3

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

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Preface I Introduction Objectives I-2 Course Overview I-3

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  1. 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 iii

  2. 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 iv

  3. 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 v

  4. 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 vi

  5. 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 vii

  6. 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 viii

  7. 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 ix

  8. 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 x

  9. 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 xi

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