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...

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 * *...

Keyboard Animation Applet – Java

The KeyboardAnimation2 applet provides a generic framework for applets both display an animation and respond to keyboard events. The animation runs only when the applet has the keyboard focus and can respond to key presses. The appearance of the applet changes,...

RGB Color Chooser Applet – Java

A RGBColorChooser shows three sliders that the user can manipulate to set the red, green, and blue, components of a color. A color patch shows the selected color, and there are three labels that show the numerical values of all the components. Values are in the range...