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programming languages Online Quiz - 26

Description: programming languages Online Quiz - 26
Number of Questions: 20
Created by:
Tags: programming languages
Attempted 0/20 Correct 0 Score 0

How many state a TCheckbox can have?

  1. 2

  2. 3

  3. 4

  4. Any number


Correct Option: B

Which of these is a valid path declaration?

  1. string s="c:\abc.txt";

  2. string s="c:/abc.txt";

  3. string [email protected]"c:\abc.txt";

  4. All are correct


Correct Option: D
  1. DataTable

  2. DataView

  3. DataRelation

  4. DataSet

  5. None of these


Correct Option: E

What is the default port number when we use https?

  1. 80

  2. 500

  3. 443

  4. 543


Correct Option: C

Which of these Validation Controls does not have Control to Validate property?

  1. RequiredFieldValidator

  2. CustomValidator

  3. RangeValidator

  4. ValidationSummary


Correct Option: D

Which of the following methods of Thread class cant be overridden by its subclass.

  1. suspend()

  2. destroy()

  3. resume()

  4. stop()


Correct Option: A,C,D

In java, threads acquire lock over:

  1. Heap memory

  2. classes

  3. objects

  4. variables


Correct Option: C

Invoking wait(), notify and notifyAll() methods without acquiring lock over an object will lead to:

  1. IllegalMonitorStateException

  2. IllegalThreadStateException

  3. IllegalLockStateException

  4. InvalidLockException


Correct Option: A

Restarting a thread leads to:

  1. ThreadRestartExcetion

  2. IllegalThreadStateException

  3. IllegalMonitorStateException

  4. none


Correct Option: B

Which of the following are not the methods of Thread class

  1. wait()

  2. notify()

  3. notifyAll()

  4. start()


Correct Option: A,B,C
  1. Thread.MAX_PRIORITY

  2. Thread.NORM_PRIORITY

  3. Thread.LOW_PRIORITY

  4. Thread.MIN_PRIORITY


Correct Option: A,B,D

Is it compulsory for the subclass to declare the inherited synchronized method as synchronized while overriding it.

  1. True

  2. False


Correct Option: A
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