Java Programming for Beginners

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