Tag: programming languages

Questions Related to programming languages

The following are only recognized in white space programming

technology programming languages

  1. Space, tabs, hashes

  2. Space & tabs

  3. Hashes & spaces

  4. Special characters

  5. None of the above

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Correct Option: E

Source code is written in
technology programming languages

  1. Spaces, tabs & linefeeds

  2. Kernel

  3. Haskell

  4. Nutshell

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Correct Option: C

Which other programming language uses whitespace syntax
technology programming languages

  1. Java

  2. Cobra

  3. VC++

  4. Python

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Correct Option: D

Data is represented by
technology programming languages

  1. Decimal

  2. Hexadecimal

  3. Octadecimal

  4. Binary

  5. None of the above

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Correct Option: D

import java.util.*; class GFC113 { public static void main (String[] args) { Object m = new LinkedHashSet(); System.out.print((m instanceof Collection)+","); System.out.print((m instanceof Set)+","); System.out.print(m instanceof HashSet); }} What is the result of attempting to compile and run the program?
technology programming languages

  1. Prints: false,false,false

  2. Prints: false,true,false

  3. Prints: true,false,true

  4. Prints: true,true,true

  5. None of the above

Show answer
Correct Option: D

import java.util.*; class GFC118 { public static void main (String[] args) { Object i = new ArrayList().listIterator(); System.out.print((i instanceof List)+","); System.out.print((i instanceof Iterator)+","); System.out.print(i instanceof ListIterator); }} What is the result of attempting to compile and run the program?

technology programming languages

  1. Prints: false,false,false

  2. Prints: false,true,false

  3. Prints: false,true,true

  4. Prints: true,true,false

  5. Prints: true,true,true

Show answer
Correct Option: C

• Stores key/value pairs. • Duplicate entries replace old entries. • Provides constant-time performance for the add, contains and remove operations. Which of these classes provides the specified features?

technology programming languages

  1. LinkedHashMap

  2. LinkedHashSet

  3. TreeSet

  4. HashMap

  5. HashSet

  6. Hashtable

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Correct Option: A,D,F

Perl is a ___________ language?
technology programming languages

  1. Compiled

  2. Interpreted

  3. Both

  4. None

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Correct Option: B

Which of the following is a true statement?
technology programming languages

  1. All implementations of the List interface provide fast random access.

  2. A LinkedList provides faster random access than an ArrayList.

  3. The LinkedList implements the RandomAccess interface.

  4. The RandomAccess interface declares the next and hasNext methods.

  5. None of the above.

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Correct Option: E

Perl is Developed by__________?
technology programming languages

  1. Henry Spencer

  2. Larry B

  3. Larry Wall

  4. Jhon

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Correct Option: C