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 ...
Comparing Two Text Strings in a Java Program
One task performed frequently in a Java program is to compare two strings. To accomplish this you would use the String object's equals() method. This article provides Java code to compare the text in two strings. 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 ...
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 ...
Java do-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 ...
Java Operators
Operators are special characters used to manipulate operands. This artice explains arithmetic, relational, bitwise, logical, and assignment Operators, as well the conditional Operator and instanceof Operator. 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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
New Features In Java 9
The latest version of Java has with over 150 new features, several new features and APIs to accelerate development of applications for both large and small devices. At the same time, the features provided by Java 9 help programmers to improve application's performance, security, and maintainability. More ...
