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Java Programming

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 ...

Java switch case Control Statement
The if else statement tells the computer to run one set of instructions based on one result of a test, and a different set of instructions based on a different result of the test. But a switch case statement can run a different set of instructions based on any value or expression provided to the switch command. 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 ...

Display Text in a Java Program
In computer programming, a letter or digit is called a character and a collection of letters or digits that make a phrase, sentence, or paragraph, is called a string. Example code to display a string in java is provided in this article. More ...

Display Quotation Mark in Text in a Java Program
To define a String in Java, you enclosed it within quotation marks. These quotation marks are not shown when you display the string. More ...

Java for Loop
A loop is a block of statements that are repeated. A loop may be repeated a fixed number of times, repeat until some condition is met, or can loop indefinitely while the program is running. There are three main loop control structures available in Java: for, do and while. More ...

Java if else if else Control Statement
Some instructions tell the computer to test a variable and to follow a group of instructions based on the result of that test. The nice thing about an if else if else statement is that you can use as many else if sections as you require. You could have an else if section for every possible condition value. More ...

How to Create the Most Basic Java Window
A lot of Java programming involves creating command line applications. But I like to get to opening a graphic window as quickly as possible. This is no problem because it's actually very easy to create a basic JFrame window. More ...

Java Ternary Operator Control Statement
The ternary operator (?) is often confusing to beginners. The ternary operator is used to assign one of two values to a variable based on a conditional test. More ...

A Comparison Between The Java IDEs: Netbeans and Eclipse
Both NetBeans and Eclipse are open source and cross platform Java IDEs. Eclipse is supported by IBM, whereas NetBeans is supported by Oracle. Each IDE provides several innovative features and tools to simplify and speedup Java application development. More ...

Basic Java Variables
In Java information that can be changed as the program runs is stored in variables. A variable is created with a statement that has the type and the name of the variable, and sometimes the value of the information being stored. 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 ...

Locate Text Within Text in a Java Program
In Java a letter or digit is called a character and a collection of letters or digits that make a phrase, sentence, or paragraph, is called a string. Java uses the String object's .indexOf method to locate one string within another. More ...

Change the Case of Text in a Java Program
If you compare two characters or two strings, Java will say they are different if all the characters are not the same case. To make a comparison without consideration for case, you can first convert all the characters in a string to lower case using the String objects toLowerCase toUpperCase method. More ...


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