Java Question Bank Objective Q&A

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Java Question Bank Objective Q&A IngenuityDias

Here we have collected frequently asked question in job interviews.We have chosen Java as our readers choice.You will find these helpful.We encourage our Readers to send in their suggestion.

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C Question Bank
Embedded C Question Bank
Embedded Systems for Engineering freshers Basics Guide

1. Which class cannot be subclassed (or extended) in java?

  1. abstract class
  2. parent class
  3. Final class
  4. None of above

Answer: 3

2. Can we declare abstract static method

  1. Yes
  2. No

Answer: 2

3. pow () is associated with which class

  1. Math class
  2. Input stream class
  3. Object class
  4. None of above

Answer: 1

4. Program which executes applet is known as

  1. applet engine
  2. virtual machine
  3. JVM
  4. None of above

Answer: 1

5. Suspend thread can be revived by using

  1. start() method
  2. Suspend() method
  3. resume() method
  4. yield() method

Answer: 3

6. Runnable is

  1. Class
  2. Method
  3. Variable
  4. Interface

Answer: 4

7. Which collection class associates values witch keys, and orders the keys according to their natural order

  1. java.util.HashSet
  2. java.util.LinkedList
  3. java.util.TreeMap
  4. java.util.SortedSet

Answer: 3

8. Which method is used to perform DML statements in JDBC

  1. execute()
  2. executeUpdate()
  3. executeQuery()
  4. None of above

Answer: 2

9. Which of the following statements about arrays is syntactically wrong

  1. arrayName[] p = new arrayName[5];
  2. arrayName p[5];
  3. arrayName[] p [];
  4. arrayName p[][] = new arrayName[2][];

Answer: 2

10. Session beans are created by the client submitting the query to the database

  1. True
  2. False

Answer: 1


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