Java Programming Hints and Tips

This site contains free contents about the Java Language.  There are Java overview and tutorial, hints and tips, sample Java programs and example, certification questions with answers, FAQ, Java interview questions you can used for your Job interviews.  If you have any Java related questions, feel free to mingle in the Java Discussion forum.

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The Basic of Java
History of Java
A Simple HelloWorld.java program
Variable and Expressions
String in Java
Assertion in Java

Java Example Program Codes
Input through Keyboard
Hide Password From Command Line
StackDemo shows how to use the linear set of objects
Demonstrate Boolean Values
The example draws several moving wadges on a circle
A Java Calculator
A Serializable JButton
Some Java Samples Codes
Cows and Bulls Game
Simple Date Validation
Code for Java-Mail
Simple Program for Reading Writing Content From File
How to Make a Java Class Immutable
How to Get the Start Date of the Week in Java
Example Uses Of Calendar Class
How to Upload a File and How to Store it
Keeping a Standard Coding Template
How To Send Email Using Java Mail
Random Sentence Generator
Use XML in Java to Write Save Documents
User With Password Never Expires on MS-Adam
How To Make http To https Request

Java Question and Answer
Introduction to Java Programming
Data types,variables and Arrays
Operators available in Java
Java Control Statements
Introduction to Java Classes and Methods
Java Packages and interface
Java Exception Handling
What is an Exception Handling?
Checked and Unchecked Exceptions in Java
Java Multi Threading
Java Inheritance

Useful Java Interview Questions
Java Interview Questions
Java and EJB - Interview Questions
Interview Questions in Core Java - Part One
Interview Questions in Core Java - Part Two
Coding Interview on Database - JDBC (java.sql) - One
Coding Interview on Database - JDBC (java.sql) - Two
Short Java Programming Questions
Java Developer Interview
Java Questionnaire

Tips Before Java Certification Exam
Java Tips
Java Exam Notes
Java 2.0 Notes
Java Example Event Programming
Points learnt from Java mock exams

Java Certification Exam Questions
Java Programmer Certification Mock Exam No 1
Mock Exam for Java 2 Programmer
Sun Certified Programmer Practice Exam
Sun Certified Programmer for the Java2 Platform
Sun Certification for Java2 Programming
Objective Type Of Questions and Answer For Java Certification
Java Certification Model Question & Answer - 1
Java Certification Model Question & Answer - 2
Java Certification Model Question & Answer - 3

Connecting to Database
JDBC connection with MS SQL Server 2000
Using Mysql in Database Connectivity in Java
Fetch Records from Database after Selecting Dropdownlist


Java Books
A Programmer's Guide to Java (tm) Certification

Java How to Program, Fifth Edition

Effective Java Programming Language Guide

... browse more Java Books

Java and J2EE Training CBT, Video
Computer Based Training on Java and J2EE Application and Programming

FREE Java eBook
Download your FREE Java Codes eBook
Download your FREE Java Exam Ques and Ans eBook

Object-Oriented Programming
Object-Oriented Programming and Java
Why OOPS Are More Popular

City and Guilds Exam Programs
Simple applet to add 2 integers
Program calculate perimeter of square, rectangle and triangle
Test the Class Shape
Class to Output the Suit of a Pack of Cards
Test class to test the workings of Card
Program to create a safe with 4 digit codes
Exercise to simulate a safe
Program class to develop a time class
Program to test the Time class
Class read dates to determine if valid and produce outputs
Test class to for newDate class
Program to create a classic hangman game

Computer Simulation Java Codes
Java applet simulating flying through space
Java applet simulating a typical radar screen
Java application simulating an automatic bank teller machine
Java applet displaying a bunch of numbers moving across the screen

Java Tutorial
Compile and Run a Java Program
Java Arrays
Java Binary Representation Of Integers
Java Bitwise Logical Operators
Java Bitwise Shift Operators
Java if Statement
Java switch Statement
Java while Statement
Java for Statement
Java Boolean Logical Operators
Introduction to Java Classes
Introduction to Java Methods

Java Scripts Tutorial
JavaScript Tutorial Index

JSP FAQ
Query about JSP
How to Connect Database Through JSP
Exporting to Excel in JSP
Write to Database or Read from Database via Web
How do you pass parameters to a servlet from JSP
How to Pass Request Parameters
How to Refer Current Page Content in JSP

Design Patterns
Design Patterns in Java

Array
How to declare an array with array size dynamically

 Java Problems and Solutions in Discussion
When to use Enumeration and when to use Iterator
Garbage Collection cannot be Forced
Downloading a CSV File
About interfaces in Java
Prototype Pattern of GOF Design Patterns
Help Needed in FileOutPutStream
Clarification about Some Java Questions
Question on Interface, Static Method, String
Why we Define a Class Inside an Interface
When we go for Abstract and Interface
Bridge Pattern and Marker Interface
Query about the Hashtable
Help on HashCode
Question about Stateful bean
Difference Between Bean and EJB
Help with SQL BLOB
Array Problem
Solution to Array Problem
Can Primitive Data Type Arrays, can be considered as obj.
Generate Unique Random
Can we Load more then one Drivers at once?
Using MS-Sql server with JSP
Queries about Installing tomcat in win98
J2ME Database Handling
Using the getSize method
OT Learn Java from Basic
About JDBC Drivers - Different Types of Drivers
Doubt about Loss of Precision
Difference of Class Variable and Instance Variable
Diff. between w/o newInstance() and with newInstance()
Java Security Model
How to install JBoss-3.0.4 on WinXP
Difference  between Session and Cookie
How I can Use JUnit
Java Text Files
Memory Leak in Java
Problem with pagination / Pagination like Google
How to Validate Date Format
Wrapper class problem
Doubt on Formatting a Number
Why not compile Java for Windows?
Why Java isn't 100% Pure OOP?
When to Serializable & Externalizable
What is the error in this Program
Use of a Static Block in a Class
Does a class inherit the constructors of its superclass?
Difference between Forward and Include
Difference between ServletContext and ServletConfig
Difference between Servlet, EJB, JDBC
Diff between response.sendRedirect vs request.forward
Difference between Web and Application server
Javamail and Finding File Existence
Problems Retrieving txt file using BufferedReader
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SAP Basis, ABAP Programming and Other IMG Stuff
Oracle Database, SQL, Application, Programming Tips
Unix System Administration Hints and Tips
Motivation and Inspiration Quotes, Stories
Online Home Based Income Opportunity
Free Pop-up Stopper for Internet Explorer
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