Concatenate Strings in a Java Program
Java uses the concatenate (+) operator to paste two or more strings together. This article provides Java code to concatenate the strings "first text " and "second text". More ...
Java if Comparison Statement
A computer program is a list of instructions for the computer to follow. Some instructions tell the computer to test a variable and to follow a group of instructions based on the result of that test. The most basic conditional test is the if statement. More ...
Display a Line Break in Text in a Java Program
In computer programming, a collection of letters that make a phrase, sentence, or paragraph, is called a string. Within a string there may be special characters that are used to produce things like tabs, backspaces, and carriage returns. A line break is created using the newline special character. More ...
Introduction to Java - A Brief Overview
Java is a broadly useful programming language with various components that make the language appropriate for use on the World Wide Web. There are more than nine million Java programmers and more than three billion cellphones run it. More ...
Java Keywords
The Java programming language has 50 keywords. Each keyword has a specific meaning in the language. You can't use a keyword for anything other than its pre-assigned meaning. The following table lists Java's keywords. More ...
Display a Backslash in Text in a Java Program
Within a string there may be special characters that are used to produce things like new lines, tabs, backspaces, and carriage returns. A special character is prefixed by a backslash. More ...
Getting Started as a Java Programmer
One of the reasons for Java's rapid growth is that Sun Microsystems has always makes the Java Software Development Kit (SDK) available at its Web site for free. All you need to develop Java programs is the SDK and a basic ASCII text editor like Windows Notepad. More ...
Reading Files with Java
Without the ability to read files, your application would be severely limited. In this article I show you; how to use the JfileChooser dialog box to select a file, how to display the contents of the file in your applications window, and how to scroll the Window. More ...
Display Variable's value in Text in a Java Program
Java uses the concatenate operator (+) to paste two or more strings together. However, you can also use the concatenate operator to display the value of a variable with a String. Java will automatically convert the integer values to Strings for display. More ...
How to Install JDK 8 on Windows and Get Started with Java Programming
Java is one of the most popular programming languages in use, particularly for client-server web applications, with nine million developers, and more than three billion mobile phones run Java. All you need to learn to program Java is the free JDK (Java Development Kit). More ...
Your First Java Menu
Many times the user of a sotware application performs functions by selecting items from a menu. In this article I give you an overview of the Java event model and how to create a Java program with a simple menu. More ...
Determine the Length of a Text String in a Java Program
Java uses the .length method to return the length, in characters, of the text contained in a String object. In this article is the Java code to determine the length of a text string. More ...
Passing Arguments to a Java Application
In this article I use a very short example program to demonstrate several basic principles of Java programming; how to pass arguments to a Java application, how to convert a string to an int, and how to use an if structure. More ...
Java while Loop
A loop is a block of statements that are repeated. There are three main loop control structures available in Java: for, do and while. This article provides example of while loop code. More ...
