If a class does not define constructors, the compiler provides a default constructor with no parameters, and the class’s instance variables are initialized to ________.

a. zero
b. null
c. their default values.
d. false


C

Computer Science & Information Technology

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An ActionEvent must be handled by an object called an ActionListener.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which of the following is the correct way to declare a variable that represents if an order has been canceled?

BOOLEAN canceled = false; boolean canceled = false; boolean CANCELED = false; boolean canceled = FALSE;

Computer Science & Information Technology

Assume the Election service isimplemented in RMI and must ensure that all votes are safely stored even when the server process crashes. Explain how this can be achieved.

What will be an ideal response?

Computer Science & Information Technology

What does the following code print?

``` System.out.print("*"); System.out.print("***"); System.out.print("*****"); System.out.print("****"); System.out.println("**"); ```

Computer Science & Information Technology