- Introduction
- Introduction
- Part I: Getting Started with Java
- Part II: Writing Your Own Java Programs
- Chapter 4: Making the Most of Variables and Their Values
- Varying a Variable
- Assignment Statements
- Understanding the Types of Values That Variables May Have
- Displaying Text
- Numbers without Decimal Points
- Combining Declarations and Initializing Variables
- 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
- Chapter 6: Controlling Program Flow with Loops
- Chapter 4: Making the Most of Variables and Their Values
- Part III: Working with the Big Picture: Object-Oriented Programming
- Chapter 7: Thinking in Terms of Classes and Objects
- Chapter 8: Saving Time and Money: Reusing Existing Code
- Chapter 9: Constructing New Objects
- Part IV: Savvy Java Techniques
- Chapter 10: Putting Variables and Methods Where They Belong
- Chapter 11: Using Arrays to Juggle Values
- Chapter 12: Using Collections and Streams (When Arrays Aren't Good Enough)
- Chapter 13: Looking Good When Things Take Unexpected Turns
- Chapter 14: Sharing Names among the Parts of a Java Program
- Chapter 15: Responding to Keystrokes and Mouse Clicks
- Chapter 16: Writing Java Applets
- Chapter 17: Using Java Database Connectivity
- Part V: 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
- Chapter 18: Ten Ways to Avoid Mistakes
- About the Author
- Cheat Sheet
- More Dummies Products
Part II
Writing Your Own Java Programs
Trees are precious. I can’t put all of Java’s features in a printed book. A few features that belong in Part II just didn’t make the cut! Visit www.dummies.com/extras/java to read about some of these features.
In this part …
- Create new values and modify existing values.
- Put decision-making into your application’s logic.
- Repeat things as needed when your program runs.
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