Java network chat Applet

This applet simulates a network chat, in which the user chats with someone over a network. Here, there is no network. The partner is simulated by a thread that emits strings at random. The point of the simulation is to show how to use a separate thread for receiving...

Drawing Pad

A simple Drawing Pad on which the user can draw some lines and shaps by using the mouse. Java /******************************************************* * MYCPLUS Sample Code - https://www.mycplus.com * * * * This code is made available as a service to our * * visitors...

Demonstration of the try-catch-finally in Java

This is a demonstration of the try-catch-finally exception handling mechanism in java programming language. It shows different mechanisms on how to handle exceptions, catch errors and show error messages.

PostFix expression evaluator – Java

This program evaluates postfix expressions entered by the user. The expressions can use non-negative real nubmers and the operators +, -, *, /, and ^ (where ^ represents exponentiation). Numbers must begin with a digit. That is, you have to say 0.7 rather than just...

String Sorting

String Sorting demonstration. Java /******************************************************* * MYCPLUS Sample Code - https://www.mycplus.com * * * * This code is made available as a service to our * * visitors and is provided strictly for the * * purpose of...

JRadioButton Demonstration – Java

A little applet that demonstrates JRadionButton with a group of radio buttons that control the background color of a label. [code=’java’] /******************************************************* * MYCPLUS Sample Code – https://www.mycplus.com * * * *...

Stars Applet

Stars Applet that show some stars on the applet windows. Java /******************************************************* * MYCPLUS Sample Code - https://www.mycplus.com * * * * This code is made available as a service to our * * visitors and is provided strictly for the...

Testing of two components MirrorLabel – MirrorLabel

This applet tests two custom components, MirrorLabel and MirrorLabel . It also tests the validate() method. The user can click a button to change the text on the components in the applet. Clicking another button will validate the applet. This will cause components...

Color Selector

A custom component that lets the user select a color. The available colors are bright, saturated colors in a full range of hues. The possible colors are shown in a strip. The user clicks on this strip to select a color. The selected color is hilited with a white...

Double buffering in Swing – Java

An applet showing a red square that the user can drag with the mouse, on a background of lines. The user can drag the square off the applet and drop it. It will jump back to its starting point. This applet does uses double buffering, which is the default behavior in...

Read the URL – Java

This short program demonstrates the URL and URLConnection classes by attempting to open a connection to a URL and read text from it. The url must be specified on the command line. If an error occurs, a message is output. Otherwise, the text from the URL is copied to...

Show Volumes of Earth and Sun

Show Volumes of Earth and Sun and their ratios Java /******************************************************* * MYCPLUS Sample Code - https://www.mycplus.com * * * * This code is made available as a service to our * * visitors and is provided strictly for the * *...

Birthday Reminder

This graphics program reminds you of peoples’ birthdays. [code language=cpp]/******************************************************* * MYCPLUS Sample Code – https://www.mycplus.com * * * * This code is made available as a service to our * * visitors and is...

Miltiple Inheritance

The basic concept of multiple inheritance (MI) sounds simple enough: you create a new type by inheriting from more than one base class. The syntax is exactly what you’d expect, and as long as the inheritance diagrams are simple, MI can be simple as well. Or...

The Standard C++ Library: Generic algorithms

Algorithms are at the core of computing. To be able to write an algorithm once and for all to work with any type of sequence makes your programs both simpler and safer. The ability to customize algorithms at runtime has revolutionalized software development.The subset...

Number Conversions

This is another one of my numerical analysis university assignments. It is an extension of binary to decimal conversion code. The program converts a number in any base to a number in any other base. The user inputs the original number, the base it was written in and...

Exception Handling

Error recovery is a fundamental concern for every program you write, and it’s especially important in C++, in which one of the goals is to create program components for others to use. To create a robust system, each component must be robust.The goals for...