Which of the following is not a type of synchronous protocol?
a. SDLC
b. VT100
c. HDLC
d. Ethernet
e. PPP
Answer: b. VT100
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Which of the following statements about inheriting base class constructors is false?
a. To inherit a base class’s constructors, you write the following line of code in the derived class definition (BaseClass is the base class’s name): using BaseClass::BaseClass; b. If an inherited base-class constructor has default arguments, the line of code in Part (a) causes the compiler to generate a derived-class constructor with the same default arguments. c. By default, each inherited constructor has the same access level (public, protected or private) as its corresponding base-class constructor. d. If the derived class does not explicitly define constructors, the compiler generates a default constructor in the derived class—even if it inherits other constructors from its base class.
The more an object "knows" how to do, the less a program that uses that object has to do.
Answer the following statement true (T) or false (F)
To make a search return between 10 and 20 results use
a) { 10, 20 } b) ( 10, 20 ) c) [ 10, 20 ] d) < 10, 20 >
(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