What form of online communication happens in real time between two people?
What will be an ideal response?
Instant messaging
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The order in which controls receive the focus is called the ____________.
a. focus index b. tab order c. order element d. tab index
In Java, the first node in a list has index
A) -1 B) 0 C) 1 D) 2
Simplify the table you just created. Describe the results.
What will be an ideal response?
(Bank Account Information Application) Create an application that allows a user to input a deposit amount (Fig. 4.15). Each time the user clicks the Enter JButton, the applica- tion adds the deposit amount entered by the user in the Deposit amount: JTextField to the balance that is currently displayed in the Balance: JTextField, then displays the new result in the Balance: JTextField. [Note: This application displays Sue Purple as a default client name and 12345 as a default account number.]
a) Copying the template to your working directory. Copy the C:Examples Tutorial04ExercisesAccountInformation 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 AccountInformation.
c) Compiling the template application. Compile your application by typing javac
AccountInformation.java.
d) Running the template application. Run the Bank Account Information template application by typing java AccountInformation. Type 100 in the Deposit amount: JTextField. When you press the Enter JButton, notice that the deposit amount is not added to the balance because you have not added code to the Enter JButton’s event handler yet.
e) Opening the template file. Open the AccountInformation.java file in your text editor.
f) Inserting code in the event handler. I