Themain()function is found in some, but not all C++ programs.

(Enhanced Bank Account Information Application) Modify below to enable the user to input both a withdrawal amount and a deposit amount (Fig. 4.16). When the Enter JButton is clicked, the balance is updated appropriately.

a) Copying the template to your working directory. Copy the C:Examples Tutorial04ExercisesAccountInformationEnhancement directory to your C:SimplyJava directory.
b) Opening the Command Prompt window and changing directories. Open the Com- mand Prompt window by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJava AccountInformationEnhancement.
c) Compiling the template application. Compile your application by typing javac
AccountInformation.java. JTextField, then press the Enter JButton. The Balance: JTextField should now contain 100, and the Deposit amount: JTextField should now contain 0.
d) Running the template application. Run the enhanced Bank Account Information template application by typing java AccountInformation. Type 50 in the With- drawal amount: JTextField and type 100 in the Deposit amount: JTextField. When you press the Enter JButton, notice that the balance does not

Which of the following statements about bottlenecks and saturation is false?

a) Removing a bottleneck will not always result in increased performance. b) When a resource becomes saturated, processes interfere with each other because they must wait for other processes to complete using the resource. c) A virtual memory system that is thrashing is an example of a saturated resource. d) Saturation cannot occur if the system contains sufficient resources to fulfill all incoming requests.