12.15 (Displaying Events) It's often useful to display the events that occur during the execution of an application. This can help you understand when the events occur and how they're generated. Write an application that enables the user to generate and process every event discussed in this chap- ter. The application should provide methods from the ActionListener, ItemListener, ListSelec- tionListener, MouseListener, MouseMotionListener and KeyListener interfaces to display messages when the events occur. Use method toString to convert the event objects received in each event handler into Strings that can be displayed. Method toString creates a String containing all the information in the event object.

Many programmers use several programming languages to construct apps for use on the World Wide Web. Provide examples of what they can accomplish, and name three of them. Memory may be managed either statically or dynamically.

Alert: Don't submit AI generated answer and give answer with proper explanation and step by step solution. (introduction,explanation,final answer).

Please identify and briefly describe THREE crucial computer parameters using your own language.

What are some of the things that you may put in the abstract for the purpose of developing your own operating system?

Is it beneficial to master more than one programming language? Which of the several versions of this programming language do most people consider to be the most advanced? So, why is this happening? What led you to this decision, if you please?