Java Basics Quiz9

Welcome to Java Basics Quiz Series.

This quiz consists of 5 multiple-choice questions.

Keep the following in mind:

Multiple Attempts - You will have multiple attempts for this quiz.
Timing - You will need to complete each of your attempts in one sitting, as you are allotted 7 minutes to complete each attempt.
Answers - You may review your answer-choices and compare them to the correct answers after your final attempt.

To start, click the "Next" button. When finished, click the "Submit Quiz" button

Set interface allows duplicates

True

False

List Interface don't allow duplicates.

False

True

Which of these packages contain all the collection classes?

java.util

java.Util

java.awt

java.collections

Does Map interface part of Collection interface heirarchy?

Yes

No

Which method is useful to delete all records in ArrayList?

clean( );

clear( );

removeAll( );