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Preview: About.com Java: Most Popular Articles

About.com Java: Most Popular Articles



These articles are the most popular over the last month.



Published: Wed, 07 Dec 2016 11:23:37 +0000

 



How to Declare Variables in Java

2016-12-07T11:23:37Z

The use of variables is key to any program and normally one of the first things to happen in any program. Learn about declaring variables in Java.



A Quick Guide to Using Constants Syntax in Java

2016-12-07T11:23:37Z

Throughout the lifetime of a variable its value might change many times. But what if you know the value will never change? Or more importantly you want to make sure it can't change? This is when you need to use a constant.



A Quick Guide to Using Accessors and Mutators...

2016-12-07T11:23:37Z

In object-oriented programming sometimes it's necessary to provide access to the private fields of an object. The use of accessors and mutators are a way to enable that access.



Wondering What Java Is? Here's the Answer

2016-12-07T11:23:37Z

What is Java computer programming language? Find out what Java is, who created it, and why people choose to program with it since the early 90s.



How to Tell If Your Computer is 32- or 64-Bit

2016-12-07T11:23:37Z

How many bits is my computer? Follow these steps if you want to find out if your computer is 32-bit or 64-bit on a Windows operating system.



Sample Java Code for Building a Simple GUI App

2016-12-07T11:23:37Z

An example Java class for building a simple GUI application. This program corresponds to the Coding a Simple Graphical User Interface - Part I



Sample Java Code to Generate Random Numbers

2016-12-07T11:23:37Z

Learn how to generate random numbers using the java.util.Random class. Generating a series of random numbers is a common task that crops up.



Static Fields

2016-12-07T11:23:37Z

Fields can be shared across all objects of the same type through the use of the static modifier.



Data Encapsulation

2016-12-07T11:23:37Z

Find out about data encapsulation, the most important concept of object-oriented programming.



How Do I Start Learning Java?

2016-12-07T11:23:37Z

A common question new developer are faced with, is where do I start when faced with learning the Java language? Here are some tips.



Wondering What "Inheritance" Is in Programming?...

2016-12-07T11:23:37Z

Learn about object inheritance and how it can be used to create a relationship between objects that share common characteristics.



Introduction to Object-Oriented Programming

2016-12-07T11:23:37Z

Understanding object-oriented programming is fundamental to becoming a truly great Java programmer. The key concepts of objects are discussed in this article.



Understanding Java's 'Cannot Find Symbol' Error...

2016-12-07T11:23:37Z

class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >When a Java program



Using the Arrays Class

2016-12-07T11:23:37Z

How to use the Arrays class to manipulate Arrays



Working with Arrays

2016-12-07T11:23:37Z

How to make use of arrays. Java.



Java Code Listing for a Simple Calculator

2016-12-07T11:23:37Z

This program creates a simple calculator that performs addition and subtraction. It highlights how to implement the ActionListener interface in three different ways.



Understanding 'Primitive Data Types' in Java

2016-12-07T11:23:37Z

The Java language provides eight primitive data types that define simple values a program can use.



What Is Unicode?

2016-12-07T11:23:37Z

Learn about the Unicode standard, a global way to encode the characters that computers use.



The Structure of Java Program - Hello NetBeans...

2016-12-07T11:23:37Z

A basic look at the structure of a very simple Java program. This article gives a beginner a starting place for understanding the way the Java syntax builds to make a Java program.



Learning Java: Type Witnesses

2016-12-07T11:23:37Z

Understand the Java generics type witness feature.



A Quick Guide to Using Naming Conventions in Java

2016-12-07T11:23:37Z

Using standard Java naming conventions will increase the readability of your code and make it easier to maintain and use for other programmers.



Using the Switch Statement for Multiple Choices

2016-12-07T11:23:37Z

Use the switch statement when you want your program to chose between a number of alternative options.



How to Write Java Source Code

2016-12-07T11:23:37Z

Are you ready to start programming in Java? Follow this step-by-step tutorial to learn how to write, compile and run Java programs.



Reached End of File While Parsing

2016-12-07T11:23:37Z

Reached end of file while parsing is a compile time error.



Lesson 1 - Getting Started

2016-12-07T11:23:37Z

The focus of this lesson is setting up Java on your computer, finding a Java editor to use, writing a simple Java program and to have a simple look at how to deal with errors.



Method Signature

2016-12-07T11:23:37Z

A method signature is part of the method declaration. It is the combination of the method name and the parameter list.



A Simple Guide to Creating Basic JFrame Windows

2016-12-07T11:23:37Z

How to use JFrame to create a simple window for a Java application.



Types of Exceptions

2016-12-07T11:23:37Z

There are three different types of exceptions a Java application might encounter.



Understanding Reserved Object Variable Words in...

2016-12-07T11:23:37Z

Here you will find a list of words that you cannot use as identifiers in a Java program.



Beginner's Guide to Using an IDE Versus a Text...

2016-12-07T11:23:37Z

Before you start to learn Java, you need somewhere to write your programs. Here's a guide to using an IDE versus a text editor.



Expression

2016-12-07T11:23:37Z

Expressions are essential building blocks of any Java program. They are built using values, variables, operators and method calls.



What is Aggregation?

2016-12-07T11:23:37Z

Aggregation is a relationship between two objects that is best described as a



Association

2016-12-07T11:23:37Z

The association relationship is a way of describing the fact that a class knows about, and holds a reference to another class.



How to Use "IF-THEN" and "IF-THEN-ELSE"...

2016-12-07T11:23:37Z

Use the if-then and if-then-else statements when your program needs to make a simple decision about what to do next.



How to Build a Simple GUI in JavaFX Code

2016-12-07T11:23:37Z

An example JavaFX application to show how to build a simple graphical user interface. The interface is the same as those built using Swing in part 1 and NetBeans GuiBuilder in part two.



ColorPicker Overview

2016-12-07T11:23:37Z

A look at the JavaFX ColorPicker class



How to Use an 'ArrayList' in Java

2016-12-07T11:23:37Z

How to use the ArrayList class. Java.



Declaration Statement

2016-12-07T11:23:37Z

Declaration statements are used to declare variables.



Find Out What a Conditional Operator Is Used...

2016-12-07T11:23:37Z

Conditional operators are used to evaluate a condition that's applied to one or two boolean expressions. Keep reading to see an example.



How Composition is Used in Java

2016-12-07T11:23:37Z

The term composition takes on different meanings depending on the subject, and in Java it has its own meaning as well.



Coding a Simple Graphical Interface - Part III

2016-12-07T11:23:37Z

A step-by-step guide to coding a JavaFX user interface that has a similarly appearance functionality as the one created in part one using Swing.



The String Literal

2016-12-07T11:23:37Z

String Literals are used for representing string values in Java code.



Java 7 (and beyond) and the Mac OS X

2016-12-07T11:23:37Z

Since Java 7 the version of Java for the Mac OS X now comes from Oracle.



A Simple Table Example Java Code Program

2016-12-07T11:23:37Z

An example program showing how to use the JTable class



Common Runtime Error

2016-12-07T11:23:37Z

See if you can debug a piece of code that produces one of the most fundamental Java runtime errors.



The try-catch-finally blocks

2016-12-07T11:23:37Z

Java handles exception through the use of the try-catch-finally blocks



Using Multiple Main Classes

2016-12-07T11:23:37Z

Whilst learning Java the best way is to compile and run example code. Using multiple classes within a NetBeans project means you can keep all your code examples in one place and try them out independently of each other.



How to Create a Simple Table

2016-12-07T11:23:37Z

A look at the JTable class and how it can be used to make simple tables for GUIs



Use Java to Generate Unique Random Numbers

2016-12-07T11:23:37Z

Sometimes the random numbers to be picked need to be unique.



ComboBox Overview

2016-12-07T11:23:37Z

A look at the JavaFX ComboBox class.



Parameter

2016-12-07T11:23:37Z

Parameters are the variables that are listed as part of a method declaration.



Variable

2016-12-07T11:23:37Z

A variable is a container that holds values that are used in a Java program.



DefaultTableModel Example Program

2016-12-07T11:23:37Z

An example program to show the DefaultTableModel in action.



Download and Install the Java SE Development Kit

2016-12-07T11:23:37Z

Make your first Java download the right one. Step-by-Step instructions on how to download the latest version of the JDK.



Showing a Color Chooser Dialog

2016-12-07T11:23:37Z

The JColorChooser class is used to create a detailed color chooser dialog.



Statement

2016-12-07T11:23:37Z

If expressions are akin to clauses in the English language, then statements are like sentences.



Compound Assignment Operator

2016-12-07T11:23:37Z

Compound assignment operators provide a shorter syntax to assign the results of the arithmetic and bitwise operators.



Source Code

2016-12-07T11:23:37Z

Source code refers to the programming instructions used to create an application.



The Path Interface

2016-12-07T11:23:37Z

A look at the Path interface and how it can be used for handling file paths.



What Is JavaFX and Its History?

2016-12-07T11:23:37Z

Find out what JavaFX is and what it can be used to create.



How to Implement Java Comments

2016-12-07T11:23:37Z

Enhance the readability of your programs by using Java comments.



Scope

2016-12-07T11:23:37Z

Scope refers to the lifetime and accessibility of a variable. How large the scope is depends on where a variable is declared.



Everything You Need to Know to Build Your First...

2016-12-07T11:23:37Z

Follow this step-by-step tutorial to learn how to write, compile and run Java applets.



Disabling (or Enabling) the Java Plugin in a...

2016-12-07T11:23:37Z

Here are the steps to disable (or enable) the Java plugin in a browser.



Ternary Operator

2016-12-07T11:23:37Z

The ternary operator ?: earns its name because it's the only operator to take three operands.



Superclass

2016-12-07T11:23:37Z

A superclass is a class that has been extended by another class.



How to Code a Simple Graphical Interface in...

2016-12-07T11:23:37Z

A step-by-step guide to manually coding a simple graphical user interface. Part two of this step-by-step shows how to code the same graphical user interface using NetBeans Gui Builder.



Implicit Parameter

2016-12-07T11:23:37Z

In a method call the implicit parameter is the object the method belongs to.



Understanding DefaultTableModel in Java

2016-12-07T11:23:37Z

The DefaultTableModel class in Java is a subclass of the AbstractTableModel that stores data for the JTable when no table model is specifically defined by the programmer.



JavaFX User Interface Controls Part I

2016-12-07T11:23:37Z

An overview of the most commonly used JavaFX user interface controls.



GUI

2016-12-07T11:23:37Z

A GUI is the graphical interface presented to the user of an application.



What Java 'PACKAGES' Are and How to Use Them

2016-12-07T11:23:37Z

Bring a sense of order to your classes through the use of packages.



Using Java Constructors: An Easy How-To Guide

2016-12-07T11:23:37Z

When a new instance of an object is created the constructor method is called. Examples of how to create constructor methods in Java are discussed here.



BorderPane Example Program

2016-12-07T11:23:37Z

An example of how to use the JavaFX BorderPane layout



The JavaFX Scene Graph

2016-12-07T11:23:37Z

A look at the JavaFX Scene Graph



How to Prevent Inheritance

2016-12-07T11:23:37Z

Some classes are designed not to be extended by other classes. Find out how to prevent a class being inherited by another.



Manipulating Strings

2016-12-07T11:23:37Z

The string class provides a few methods for manipulating Strings.



The JTable Table Model

2016-12-07T11:23:37Z

A look at the table model behind the JTable



How to Create an Input Dialog Box Using Java...

2016-12-07T11:23:37Z

Find out how to use the showInputDialog method of the JOptionPane class to make different kinds of input dialog boxes.



How to Convert Strings to Numbers and Vice...

2016-12-07T11:23:37Z

How to convert Strings to numbers and back again.



Static Method

2016-12-07T11:23:37Z

Static methods are created using the static keyword.



Conditional Statements

2016-12-07T11:23:37Z

Conditional statements enable a program to make a decision and preform an action based on that decision.



ActionListener

2016-12-07T11:23:37Z

The ActionListener interface is an event listener for actions performed by some graphical components.



Getting Started With JavaFX Using Netbeans

2016-12-07T11:23:37Z

How to make a Hello World JavaFX application using NetBeans



Constant

2016-12-07T11:23:37Z

A constant is a variable whose value cannot change once it has been assigned.



Creating A Simple Calculator to Handle Button...

2016-12-07T11:23:37Z

Building an interface for a simple calculator program



Using Command-line Arguments

2016-12-07T11:23:37Z

How to make use of command-line arguments in your Java applications.



A KeyListener Example Program

2016-12-07T11:23:37Z

An example program showing how to implement the KeyListener interface.



What Is Netbeans?

2016-12-07T11:23:37Z

NetBeans is a sophisticated IDE that aims to help developers build any type of application.



What Is an Exception?

2016-12-07T11:23:37Z

Find out what an exception is and how Java handles them.



Simple Message Dialog Boxes Program

2016-12-07T11:23:37Z

Example Java program code for how to make simple message dialog boxes using the JOptionPane class.



Main Class

2016-12-07T11:23:37Z

A main class is a class that contains a main method



Install the Java SE Development Kit

2016-12-07T11:23:37Z

Step-by-Step instructions on how to install the latest version of the JDK.



JavaFX With FXML Using SceneBuilder and NetBeans

2016-12-07T11:23:37Z

How to create a simple JavaFX FXML application using NetBeans and Scene Builder.



Learn the Definition and Syntax Rules For Java...

2016-12-07T11:23:37Z

A Java identifier is simply a name given to a package, class, interface, method, or variable. Keep reading for more information and examples of identifiers.



Everything You Need to Know About Java on Mac...

2016-12-07T11:23:37Z

Things are a little different for Java developers on Mac OS X. Find out how Java fits in with Apple computers.



An Overview of Layout Managers

2016-12-07T11:23:37Z

There are a number of layout managers designed to make it easy to control where the components of a graphical user interface are positioned.



Reading and Writing Character Streams

2016-12-07T11:23:37Z

How to read and write to a text file one character at a time.



How to Generate Random Numbers (Part II)

2016-12-07T11:23:37Z

Following on from the first article on generating random numbers in Java, find out how to generate random fractional numbers and boolean values.



How to Use 'Gridlayout' in Java

2016-12-07T11:23:37Z

A look at how to use the GridLayout layout manager.