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Java Programming for Beginners

更新時間：2021-07-02 15:23:14

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ThisbookisforanyonewantingtostartlearningtheJavalanguage,whetheryou’reastudent,casuallearner,orexistingprogrammerlookingtoaddanewlanguagetoyourskillset.NopreviousexperienceofJavaorprogrammingingeneralisrequired.

目錄(189章)

倒序

coverpage
Title Page
Copyright
Java Programming for Beginners
Credits
About the Author
www.PacktPub.com
Why subscribe?
Customer Feedback
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Downloading the color images of this book
Errata
Piracy
Questions
Getting Started with Java
What is Java?
Features of Java
Java applications
Setting up your development environment
Installing JDK
Installing the NetBeans IDE
Writing our first Java program
Creating a new project
Creating a Java class
Writing the code
Java comments
The main() function
Printing a string
Java syntax
Executing our program
How to interpret errors detected by NetBeans?
The code completion feature
Summary
Understanding Typed Variables
Integer variables
The solution of variables
Memory allocation for integer variables
Floating point variables
Behavior difference between integer and float data types
Type casting
The double data type
The Math class library
Using the pow() function
Importing class libraries
Char variables
Strings
The concatenation operator
The toUpperCase() function
The replace() function
Escape sequences
Summary
Branching
Understanding if statements
Conditional statements
Using if statements
Using else statements
Complex conditionals
The contains function
Complex conditional statements
The boolean variable
Switch case and break
Program using switch case and break
While and do...while loops
While loops
The do...while loops
For loops
Summary
Data Structures
Working with arrays
Declaring and initializing an array
Assigning values to an array
Array example in NetBeans
Creating an array
Creating a for loop
Printing the alphabet
Default initialization of arrays in Java
Multidimensional arrays
A multidimensional array example in NetBeans
Creating a multidimensional array
Using nested loops for multidimensional arrays
Assigning different colors to our chessboard
Printing the chessboard
ArrayLists
An ArrayList example in NetBeans
Creating an ArrayList
Getting user input
Printing the ArrayList of user input
Giving control to the user
Analyzing ArrayIndexOutOfBoundsException
Maps
Creating a Map
Assigning values to our Map
Fetching information from our Map
Summary
Functions
The basics of Java functions
Methods
Temperature conversion program
Setting up the control flow
Exploring separate cases - C K and F
Celsius type
Kelvin type
Fahrenheit type
Executing the first part of the program
Executing the second part of the program
Final touch to the program
Advanced Java functions
Operating java variables
Using variables in the program
Understanding passing parameters
Summary
Modeling with Object-Oriented Java
Creating classes and objects
Creating custom classes
Creating member variables
Creating member functions
Creating constructors
Types of constructors
Summary
More Object-Oriented Java
Inheritance
Creating a superclass
The is-a relationship
Overriding
Data structure
The abstract method
The protected method
Abstract
Summary
Useful Java Classes
The Calendar class
Subclasses of Calendar
Fetching the current day month and year
How Calendar works
String functionality
String literals versus String objects
String functions
The replace() function
The format() function
Exceptions
Analyzing the console exception messages
Handling exceptions
The try and catch blocks
The finally block
The Object class
Overriding the equals() method
Other Object methods
Primitive classes
Summary
File Input and Output
Writing data to files
The FileWriter class
Relieving resources using the close() method
The BufferedWriter class
Reading data from files
The FileReader and BufferedReader class
The Serializable class
Serializing an object
Deserializing an object
Summary
Basic GUI Development
Swing GUIs
The JFrame class
Setting the size of our window
Adding a label
Closing our application
The SwingUtilities class
A visual GUI editor tool – palette
How palette works
Event handling
Adding a button
Adding functionality to our button
Summary
XML
Reading XML data
Parsing XML data
Accessing Jane's XML element
Printing Jane's car details
Writing XML data
Java code to write XML data
Modifying XML data
Summary 更新時間：2021-07-02 15:23:14

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Java Programming for Beginners