Right-click the Java file you want to edit and select "Open With." Click your Java compiler to open the code in the editor. Add the "Random" class library to the top of the source code file.

The following code generates a random number between one and two:Random generate = new Random(); int image_number = (int) (Math.random() * 2); Display the image based on the randomly generated number.

Everyone who codes Java EE web applications needs to pay attention to exception handling. ... In the initialize() method, the generatedNumber property is set to a random number from 0 to 10.