Java Programming Tutorial With Screen Shots & Many Code Example
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About this ebook
This book was personally written with many code examples included. Every reader will find this book very useful in learning how to write working java programs.
This is not one of those theory based books you may have known. It includes working examples and screen shots of codes that have been tested. If you can just be patient enough to read it and follow the code examples provided, you will become the java guru you always wanted to be. This is not a promise, its the experience with most of our readers.
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Book preview
Java Programming Tutorial With Screen Shots & Many Code Example - Desmond Ohwofosirai
JAVA PROGRAMMING TUTORIAL WITH SCREEN SHOTS & MANY CODE EXAMPLE
Coding Tutorial With Screen Shots: THE BEGINNERS’ BEST GUIDE
FIRST EDITION
By Ohwofosirai Desmond
BSc. Computer Science
ISBN: 978-1-365-77993-0
TABLE OF CONTENTS
What is java?
- Object Oriented
- Inheritance
- Constructors & Instance
- Classes, Methods
Frames and Panels
- JFrame (user Interface)
- JPanel (extending Interface)
- CardLayout (Multiple Panels)
- Tabbed Panels (using tabs)
Layouts
- Null (No Layout)
- Border Layout
- Box Layout
- Card Layout
- Flow Layout
- GridBag Layout
- Grid Layout
- Group Layout
- Spring Layout
Java Form
- JLabel
- JTextField
- JRadio Button
- JButton
- JToggle Button
- JCombo Box
- JTextArea
Conclusion
CHAPTER ONE
INTRODUCTION
WHAT IS JAVA?
Java is a programming language and also a computing platform. It was first initiated by James Gosling and released by Sun Microsystems in 1995. Being a platform, many java-based applications and websites will not work unless you have first install Java JDK.
Desktop/Laptop Based Applications, Mobile Applications (including Android) and Internet-Based Applications (i.e. Websites) can be developed using Java. Java is free to download and free to use. To download visit http://www.java.com
Before you continue, INSTALL Eclipse IDE at http://www.eclipse.org. You will use the Eclipse Java Integrated Development Environment (IDE) as your code editor.
OBJECT ORIENTED PROGRAM:
What does it mean?
An object-oriented Java program is a Java program whose design is based on declaring classes, creating objects from them, and designing interactions between these objects.
What is a class?
A class is a template for creating objects.
Class declaration
The syntax is given below. The identifier must be