Efnisyfirlit

• Cover
• Introduction
  • How to Use This Book
  • Conventions Used in This Book
  • What You Don’t Have to Read
  • Foolish Assumptions
  • How This Book Is Organized
  • Icons Used in This Book
  • Beyond the Book
  • Where to Go from Here
• Part 1: Getting Started with Java
  • Chapter 1: All about Java
    • What You Can Do with Java
    • Why You Should Use Java
    • Getting Perspective: Where Java Fits In
    • Object-Oriented Programming (OOP)
    • What’s Next?
  • Chapter 2: All about Software
    • Quick-Start Instructions
    • What You Install on Your Computer
  • Chapter 3: Using the Basic Building Blocks
    • Speaking the Java Language
    • Checking Out Java Code for the First Time
    • Understanding a Simple Java Program
    • And Now, a Few Comments
• Part 2: Writing Your Own Java Programs
  • Chapter 4: Making the Most of Variables and Their Values
    • Varying a Variable
    • Experimenting with JShell
    • What Happened to All the Cool Visual Effects?
    • The Atoms: Java’s Primitive Types
    • The Molecules and Compounds: Reference Types
    • An Import Declaration
    • Creating New Values by Applying Operators
  • Chapter 5: Controlling Program Flow with Decision-Making Statements
    • Making Decisions (Java if Statements)
    • Using Blocks in JShell
    • Forming Conditions with Comparisons and Logical Operators
    • Building a Nest
    • Choosing among Many Alternatives (Java switch Statements)
  • Chapter 6: Controlling Program Flow with Loops
    • Repeating Instructions Over and Over Again (Java while Statements)
    • Repeating a Certain Number of Times (Java for Statements)
    • Repeating until You Get What You Want (Java do Statements)
• Part 3: Working with the Big Picture: Object-Oriented Programming
  • Chapter 7: Thinking in Terms of Classes and Objects
    • Defining a Class (What It Means to Be an Account)
    • Defining a Method within a Class (Displaying an Account)
    • Sending Values to and from Methods (Calculating Interest)
    • Making Numbers Look Good
    • Hiding Details with Accessor Methods
    • Barry’s Own GUI Class
  • Chapter 8: Saving Time and Money: Reusing Existing Code
    • Defining a Class (What It Means to Be an Employee)
    • Working with Disk Files (a Brief Detour)
    • Defining Subclasses (What It Means to Be a Full-Time or Part-Time Employee)
    • Using Subclasses
    • Overriding Existing Methods (Changing the Payments for Some Employees)
  • Chapter 9: Constructing New Objects
    • Defining Constructors (What It Means to Be a Temperature)
    • More Subclasses (Doing Something about the Weather)
    • A Constructor That Does More
• Part 4: Smart Java Techniques
  • Chapter 10: Putting Variables and Methods Where They Belong
    • Defining a Class (What It Means to Be a Baseball Player)
    • Making Static (Finding the Team Average)
    • Experiments with Variables
    • Passing Parameters
  • Chapter 11: Using Arrays to Juggle Values
    • Getting Your Ducks All in a Row
    • Arrays of Objects
    • Command Line Arguments
  • Chapter 12: Using Collections and Streams (When Arrays Aren’t Good Enough)
    • Understanding the Limitations of Arrays
    • Collection Classes to the Rescue
    • Functional Programming
  • Chapter 13: Looking Good When Things Take Unexpected Turns
    • Handling Exceptions
    • Handle an Exception or Pass the Buck
    • Finishing the Job with a finally Clause
    • A try Statement with Resources
  • Chapter 14: Sharing Names among the Parts of a Java Program
    • Access Modifiers
    • Classes, Access, and Multipart Programs
    • Sneaking Away from the Original Code
    • Protected Access
    • Access Modifiers for Java Classes
  • Chapter 15: Fancy Reference Types
    • Java’s Types
    • The Java Interface
    • Abstract Classes
    • Relax! You’re Not Seeing Double!
  • Chapter 16: Responding to Keystrokes and Mouse Clicks
    • Go On … Click That Button
    • Responding to Things Other Than Button Clicks
    • Creating Inner Classes
  • Chapter 17: Using Java Database Connectivity
    • Creating a Database and a Table
    • Putting Data in the Table
    • Retrieving Data
    • Destroying Data
• Part 5: The Part of Tens
  • Chapter 18: Ten Ways to Avoid Mistakes
    • Putting Capital Letters Where They Belong
    • Breaking Out of a switch Statement
    • Comparing Values with a Double Equal Sign
    • Adding Components to a GUI
    • Adding Listeners to Handle Events
    • Defining the Required Constructors
    • Fixing Non-Static References
    • Staying within Bounds in an Array
    • Anticipating Null Pointers
    • Helping Java Find Its Files
  • Chapter 19: Ten Websites for Java
    • This Book’s Website
    • The Horse’s Mouth
    • Finding News, Reviews, and Sample Code
    • Got a Technical Question?
• About the Author
• Connect with Dummies
• End User License Agreement

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