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programming languages Online Quiz - 62

Description: programming languages Online Quiz - 62
Number of Questions: 20
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Tags: programming languages
Attempted 0/20 Correct 0 Score 0
  1. The element will not be successfully added

  2. ArrayIndexOutOfBounds Exception

  3. The Vector allocates space to accommodate up to 15 elements

  4. Nothing will happen


Correct Option: C

int x = 2; switch (x) { case 1:System.out.println(“1?); case 2: case 3:System.out.println(“3?); case 4: case 5:System.out.println(“5?); }

  1. No output

  2. 3 and 5

  3. 1,3 and 5

  4. 0

  5. 2


Correct Option: B

Is sizeof a keyword ?

  1. True

  2. False


Correct Option: B
  1. the heap space occupied by an un-referenced object can be recycled and made available for subsequent new objects

  2. When the total memory allocated to a Java program exceeds some threshold the garbage coollector is invoked

  3. the program does not suspend during garbage collection

  4. garbage collection requires extra memory


Correct Option: C

window.location.href="www.google.com". The given statement when executed would result in one of the following:

  1. It will give an error

  2. It will execute and nothing will happen

  3. It will execute and www.google.com is going to open

  4. None of The above


Correct Option: C

onUnload event of Javascript is fired in which of the following conditions

  1. When browser is closed

  2. When the page reloads as well.

  3. Only when you navigate out of the page.

  4. All Of the Above


Correct Option: D

innerHTML, innerText, outerHTML and outerText. What are these of Element object

  1. Methods

  2. Properties

  3. Objects

  4. None of The above


Correct Option: B

It is possible to add custom methods and properties in pre-existing objects like String, Math and others

  1. True

  2. False


Correct Option: B

One can add custom method and properties to objects in javascript without using prototype as well.

  1. True

  2. False


Correct Option: B

Which of the following HTTP response codes indicate a successful response from the server

  1. 200

  2. 304

  3. 404

  4. None of The above


Correct Option: A

onreadystatechange is a method of XMLHttpRequest Object

  1. True

  2. False


Correct Option: B

POST requests can also be send through the open method of the XMLHttpRequest Object

  1. True

  2. False


Correct Option: B
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