Unzip Info – – Just copy paste this file under default package of eclipse.. Once you have file in Eclipse then right click on it and Run As Applet If you were able to run the program in Eclipse and see the working applet that mean eclipse would have created the .class file for it do this next right click on the java file i had sent in eclipse left panel and select properties. You see the location where the .java file is located something like C:somepathsrceclipseprojectMortgageCalculatorGui.java Go to C:somepathbin and you would see MortgageCalculatorGui.class Copy MortgageCalculatorGui.class and place it in same directory where the MortgageCalculatorGui.html file that i had sent is located.. then open MortgageCalculatorGui.html in browser