A Java interface is an example of:

(a) encapsulation
(b) abstraction
(c) polymorphism
(d) all of the above


(b) abstraction

Computer Science & Information Technology

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A(n) ____________________ rule compares the data entered by the user against one or more valid values that the database developer specified using the Validation Rule property for the field.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

In the Clock application, you have a(n) ____ loop display the number of minutes.

A. outer B. control C. nested D. master

Computer Science & Information Technology

What exception type does the following program throw?

``` public class Test { public static void main(String[] args) { Object o = null; System.out.println(o.toString()); } }``` a. ArithmeticException b. ArrayIndexOutOfBoundsException c. StringIndexOutOfBoundsException d. ClassCastException e. NullPointerException

Computer Science & Information Technology

What is the major advantage that a heap implementation of a priority queue has over a binary search tree implementation?

What will be an ideal response?

Computer Science & Information Technology