0

programming languages Online Quiz - 188

Description: programming languages Online Quiz - 188
Number of Questions: 20
Created by:
Tags: programming languages
Attempted 0/20 Correct 0 Score 0

What are the steps involved in developing an RMI object?

  1. Define the interfaces

  2. Implementing Interface

  3. Compile the interfaces

  4. All the above


Correct Option: D

Which files contains the libraries, resources and accessories files like property files?

  1. .jar

  2. .war

  3. .ear

  4. .zip


Correct Option: A

What is a DTD file?

  1. Document Type definition

  2. Document type decision

  3. Document type data

  4. Document type development


Correct Option: A

What is the output of following piece of code ? 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. 3


Correct Option: B

Which of the following are true?

  1. The Void class extends the Class class.

  2. The Float class extends the Double class.

  3. The System class extends the Runtime class.

  4. The Integer class extends the Number class.


Correct Option: D

How many number of models are there in MVC architecture?

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: B

What is the role of Servlet in MVC architecture?

  1. Displaying page data

  2. Connecting to database

  3. Routing Requests

  4. Performing front end validations


Correct Option: C

Which of the following statements are true?

  1. UTF characters are all 8-bits.

  2. UTF characters are all 16-bits.

  3. UTF characters are all 24-bits.

  4. Unicode characters are all 16-bits.


Correct Option: D

How do we comment a line in html

    • */>
  1. //


Correct Option: A

How do we comment a line in a jsp

    • */>
  1. //


Correct Option: B

Constructors are used to

  1. initialize instance variables

  2. destroy variables

  3. both (a) and (b)

  4. None of the above


Correct Option: A

After the following code fragment, what is the value in a? String s; int a; s = "Foolish boy."; a = s.indexOf("fool");

  1. -1

  2. 0

  3. 4

  4. random value


Correct Option: A

What is the difference between a TextArea and a TextField?

  1. A TextArea can handle multiple lines of text

  2. A textarea can be used for output

  3. TextArea is not a class

  4. TextAreas are used for displaying graphics


Correct Option: A

The method setLabel can be used with what type of Object?

  1. TextField

  2. int

  3. DoubleField

  4. String


Correct Option: C

Given the following statement: huey.setDouble(8.0*32.2+1.0); What must be the data type of huey?

  1. TextField

  2. DoubleField

  3. IntField

  4. double


Correct Option: B

Given the following code fragment: int A[]; int i = 0; A = new int A[4]; while (i < 4) { A[i] = 10; i = i + 1; } What is the value of A[3]?

  1. 0

  2. 3

  3. 10

  4. unknown


Correct Option: C

A stack follows

  1. FIFO

  2. LIFO

  3. both (a) and (b)

  4. None of the above


Correct Option: B

A queue follows

  1. FIFO

  2. LIFO

  3. both (a) and (b)

  4. None of the above


Correct Option: A

Break statement cannot be used in a

  1. For loop

  2. While loop

  3. if loop

  4. All the above


Correct Option: C
- Hide questions