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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 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 Use Boolean Expressions in Java
A Java boolean can have one of two values: true or false. In some languages, such as C or C++, integer values can be treated as a boolean, with 0 equal to false and any other value equal to true. Not so in Java. In Java, you can't convert between an integer type and a boolean type. More ...
Difference Between JSF, Servlet and JSP
This article provides a brief Overview of JavaServer Faces (JSF), Java ServerPages (JSP), and Java Servlet. More ...
Java if else Control Statement
A computer program is a list of instructions for the computer to follow. The if else statement tells the computer to run on set of instructions based on one result of a test, and a different set of instructions on a different result of the test. 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 ...
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 ...
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 ...
