Learn Java the easy way A hands-on introduction to programming
Book - 2018
"An introduction to learning Java programming that teaches first time programmers how to build mobile and desktop apps, and how to debug code and deal with common mistakes"--
Saved in:
- Subjects
- Published
-
San Francisco, CA :
No Starch Press, Inc
[2018]
- Language
- English
- Main Author
- Item Description
- Includes index.
"Covers Java 8 and 9"-- Cover. - Physical Description
- xxii, 288 pages : illustrations ; 24 cm
- ISBN
- 9781593278052
- Acknowledgments
- Introduction
- Why Should I Learn to Code?
- Why Should I Learn Java?
- What's in This Book
- What Tools Do I Need?
- Online Resources
- Start Now!
- 1. Getting Started
- Java on Windows, macOS, and Linux
- Installing Java 8 and 9 for Developers
- Installing the Eclipse IDE for Java Developers
- Setting Up Eclipse
- Installing the WindowBuilder Editor
- Customizing Eclipse's Look and Feel
- Installing Android Studio for Mobile App Development
- Getting to Know Java with JShell
- Running JShell
- Working with Java Expressions in JShell
- Declaring Java Variables in JShell
- Printing Output in Java
- JShell Commands
- What You Learned
- 2. Build a Hi-Lo Guessing Game App!
- Planning the Game Step-by-Step
- Creating a New Java Project
- Creating the HiLo Class
- Generating a Random Number
- Getting User Input from the Keyboard
- Making the Program Print Output
- Loops: Ask, Check, Repeat
- If Statements: Testing for the Right Conditions
- Adding a Play Again Loop
- Testing the Game
- What You Learned
- Programming Challenges
- #1. Expanding Your Range
- #2. Counting Tries
- #3. Playing MadLibs
- 3. Creating a GUI for Our Guessing Game
- Practicing with JShefl
- Creating a GUI in Four Lines of Code
- Creating an Interactive GUI in 10 Lines of Codel
- Setting Up the GUI App in Eclipse
- GUI Design with Eclipse's WindowBuilder Editor
- Designing the User Interface
- Setting GUI Properties in the Properties Pane
- Customizing GUI Components in the Palette Pane
- Aligning GUI Elements
- Naming GUI Components for Coding
- Connecting the GUI to Your Java Code
- Adding a Method to Check the Player's Guess
- Getting Text from a JTextField
- Converting Strings to Numbers
- Starting a New Game
- Listening for User Events: Click to Guess!
- Setting Up the GUI Window
- Time to Play!
- Adding a Play Again Feature
- Improving the UX
- Allowing Users to Press Enter to Guess
- Automatically Removing Old Guesses
- Handling Bad User Input
- What You Learned
- Programming Challenges
- #1. Showing Users How Many Tries They Took
- #2. Showing and Hiding a Play Again Button
- #3. Creating a GUI MadLib
- 4. Creating Your First Android App
- Starting a New Android Studio App Project
- Building the GUI Layout in Design View
- Naming GUI Components in Android Studio
- Connecting the GUI to Java in Android Studio
- Adding Methods to Check the Guess and Begin a New Game
- Handling Events in Android
- Running the App on the Android Emulator
- Running the App on a Real Android Device
- Preparing Your Device
- Connecting Your Device
- Running the App on Your Device
- Improving the UX
- Centering the User's Guess in the Text Field
- Adding a Listener for the Enter Key
- Adding One More Finishing Touch
- What You Learned
- Programming Challenges
- #1. "Toast"-ing to the Number of Tries
- #2. Adding Visual Appeal
- #3. Creating a MadLibs Mobile App
- 5. Polishing Your App By Adding Menus and Preferences
- Adding an Options Menu in Android
- Adding Items to the Menu's XML File
- Displaying the Options Menu Ill
- Responding to User Selections
- Creating an Alert Dialog Pop-up for the About Screen
- Changing the Guessing Range
- Adding a Variable for the Range
- Using the range Variable
- Building the Dialog to Allow the User to Select the Range
- Storing User Preferences and Game Stats
- Storing and Retrieving the User's Preferred Range
- Storing the Number of Games Won
- What You Learned
- Programming Challenges
- #1. You Win Some, You Lose Some
- #2. Ratio of Wins to Losses
- 6. Deciphering Secret Messages
- The Caesar Cipher
- Setting Up the Secret Messages App
- Creating the Secret Messages Project in Eclipse
- Beginning to Code SecretMessages.java
- Messing with Strings
- Characters and Values in Java
- Encoding Just the Letters
- Closing the Scanner
- Adding a Custom Key Value
- Encoding Digits
- Running Command Line Apps Without Eclipse
- Finding Your Workspace Folders
- Opening a Command Line Window
- What You Learned
- Programming Challenges
- #1. Looping the Loop
- #2. Reversing and Encoding
- #3. Safely Handling Keys with try and catch
- 7. Creating Advanced GUIs and Sharing Your App
- Setting Up the Secret Messages GUI App Project
- Designing the GUI and Naming Components
- Coding the Secret Messages GUI App
- Creating the encode() Method
- Writing the Event Handler For the Encode/Decode Button
- Handling Bad Input and User Errors
- Building the main() Method and Running the App
- Improving the GUI
- Setting Line Wrap and Word Wrap
- Handling Bad Input and User Errors: Part 2
- Adding a Slider to the Secret Messages GUI
- Code Cracking with the Slider
- Bonus: Sharing Your App as a Runnable JAR File
- What You Learned
- Programming Challenges
- #1. Movin' On Up!
- #2. Scrolling Away!
- #3. Changing the Text to Change the Slider
- 8. Make Secret Messages a Phone App to Share With Friends!
- Setting Up the Mobile GUI
- Designing the Mobile GUI
- Wiring the GUI to the Java Code
- Connecting the Encode Button to the encode() Method
- Testing the App
- Working with the SeekBar
- Running the App on the Emulator and on an Android Device
- Bonus: Customizing the Floating Action Button
- Receiving Secret Messages from Other Apps
- What You Learned
- Programming Challenges
- #1. Creating a Move Up Button
- #2. Changing the SeekBar's Progress
- 9. Paint Colorful Bubbles With Your Mouse1
- Creating the BubbleDraw Project Files
- Building the BubbleDraw Frame
- Creating a Class for Bubbles
- Defining a Bubble
- Designing a Bubble's Methods
- Storing Bubbles in an ArrayList
- Adding a Constructor to the BubblePanel Class
- Adding a Method to Draw on the Screen
- Testing the BubblePanel Class
- Handling Mouse Events from the User
- Creating a Reusable Event Listener
- Handling Clicks and Drags
- Bonus: Handling MouseWheel Events
- What You Learned
- Programming Challenges
- #1. No Bubble Too Small
- #2. PixelDraw!
- 10. Adding Animation and Collision Detection With Timers
- Copying the BubbleDraw Java Project to Create BubbleDrawGUI
- Renaming the Main Class and Java File
- Adding Transparency
- Adding Animation: Bubbles Rising!
- Adding a Timer
- Setting the Timer
- Preparing the Animation
- Starting the Timer
- Forever Blowing Bubbles: Adding Random Speed and Direction
- Building a GUI for Our Animated Drawing App
- Setting Up the GUI Panel and Buttons
- Coding the Clear and Pause/Start Burtons
- Bouncing off the Walls with Collision Detection
- A Soft Bounce
- A Hard Bounce
- Adding a Slider to Control the Animation Speed
- Customizing the Slider
- Implementing the Slider Event Handler
- What You Learned
- Programming Challenges
- #1. No Bubble Left Behind
- #2. Flexi-Draw!
- #3. PixelDraw 2.0
- 11. Making Bubbledraw a Multitouch Android App
- Setting Up the BubbleDraw Project
- Creating the BubbleView Constructor
- Adding the Animation Variables
- Creating the BubbleView() Constructor
- Preparing the Layout to Use BubbleView
- Modifying the Bubble Class
- Drawing in Android with the onDraw() Method
- Testing BubbleDraw with 100 Bubbles
- Adding testBubbles()
- Fixing the OnTouchListener Error
- Running the BubbleDraw App
- Using Threaded Animation and Multitasking in Java
- Using Touch to Draw with Your Finger
- Using Multitouch to Draw with 10 Fingers at a Time!
- Testing Multitouch Events on an Android Device
- Changing the App Launcher Icon
- Creating a Custom App Icon
- Adding the Custom Icon to Your App
- Displaying Your New Icon
- Changing the App Name
- What You Learned
- Programming Challenges
- #1. Combining One-Finger and Multitouch Events, v1.0
- #2. Combining One-Finger and Multitouch Events, v2.0
- Appendix Debugging and Avoiding Common Errors in Java
- Spelling and Case
- Correcting Typos in Eclipse
- Correcting Typos in Android Studio
- Avoiding Other Common Spelling Errors
- Comparison Trouble
- Grouping Symbols
- Quick Fixes in Eclipse
- Code Completion in Android Studio
- Summary
- Index