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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

A Vector is declared as follows. What happens if the code tried to add 6 th element to this Vector new vector(5,10)

  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
  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

The following piece of javascript code is going to work fine. function tryVariableArguments() { var intCnt = 0; for (intCnt = 0; intCnt < tryVariableArguments.arguments.length; intCnt++) { alert(tryVariableArguments.arguments[intCnt]); } } Trial Page tryVariableArguments('1','2','3'); tryVariableArguments('1','2'); tryVariableArguments();

  1. True

  2. False


Correct Option: B

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

All the HTML objects like Form, Select, Textarea and others are implicitly an instance of Element 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

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

  1. True

  2. False


Correct Option: B

URL accessed through XMLHttpRequest's open method is stored in the history of the browser.

  1. True

  2. False


Correct Option: B

parseJSON is a standard function available in javascript like alert, eval and others.

  1. True

  2. False


Correct Option: B
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