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...

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...

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...

Dynamic array of integers

An object of class DynamicArrayOfInt acts like an array with unlimited size. The method put(position,value) is used to store the value at the specifed position in the array. There is no pre-set limit on how large position can be, although for very large values there...

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...

HighLow java Game

his program lets the user play HighLow, a simple card game that is described in the output statements at the beginning of the main() routine. After the user plays several games, the user’s average score is reported. Java...

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...

Java applet – HighLow Game

This applet is a simple card game. The user sees a card and tries to predict whether the next card will be higher or lower. Aces are the lowest-valued cards. If the user makes three correct predictions, the user wins. If not, the user loses. This version of the game...