A control’s Background property is a customizable ________ object.

You are on a service call to fix a customer's printer when he asks you to help with a network firewall issue. This is not part of your normal responsibilities. What should you do?

A) Call your supervisor to find the best company resource to recommend to the customer. B) Try to solve the issue to the best of your ability. C) Report the user to his supervisor. D) Empathetically tell the customer you cannot and report the request to your supervisor.

Develop an application that helps children learn multiplication (Fig. 15.29). Use random-number generation to produce two positive one-digit integers that display in a question, such as “How much is 6 times 7?” The student should type the answer into a JTextField. If the answer is correct, then the application ran- domly displays one of three messages: Very Good!, Excellent! or Great Job! in a JLabel and displays the next question. If the student is wrong, the JLabel displays the message No. Please try again.

a) Copying the template to your working directory. Copy the C:Examples Tutorial15ExercisesMultiplicationTeacher directory to your C:Simply- Java directory.
b) Opening the template file. Open the MultiplicationTeacher.java file in your text editor.
c) Generating the questions. Declare a method named generateQuestion in your application to generate and display each new question in questionJLabel.
d) Adding a call to the generateQuestion method. Add a call to the generate- Question method at the end of the createUserInterface method.
e) Displaying a random message. Add a method named generateOutput that displays a random message congratulating the student if they answer correctly.
f) Determining whether the right answer was entered. Add code to the submit- JButtonActionPerformed method declared in your application. Determine whether the student answered the question correctly and display an appropriate message. If the student answered the question correctly, ca