Tag: technology

Questions Related to technology

Level 66 used for?
technology mainframe

  1. For Renames Clause

  2. For Condition Names

  3. Elementary level item. Cannot be subdivisions of other items (cannot be qualified), nor can they be subdivided themselves.

  4. All of the above

Show answer
Correct Option: A

What does the INITIALIZE verb do?

technology mainframe

  1. Alphabetic, Alphanumeric fields & alphanumeric edited items are set to SPACES

  2. Numeric, Numeric edited items set to ZERO.

  3. FILLER , OCCURS DEPENDING ON items left untouched.

  4. All the Above.

Show answer
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

Show answer
Correct Option: A,D,F

Perl is a ___________ language?
technology programming languages

  1. Compiled

  2. Interpreted

  3. Both

  4. None

Show answer
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.

Show answer
Correct Option: E

Perl is Developed by__________?
technology programming languages

  1. Henry Spencer

  2. Larry B

  3. Larry Wall

  4. Jhon

Show answer
Correct Option: C

Perl was Originally called "Gloria".
technology programming languages

  1. True

  2. False

Show answer
Correct Option: A

Which of the following classes would provide the most efficient implementation of a First In First Out queue?
technology programming languages

  1. ArrayList

  2. LinkedHashMap

  3. LinkedHashSet

  4. LinkedList

  5. TreeMap

  6. Vector

Show answer
Correct Option: D