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Java Quiz Day 36
Question 1
What is the purpose of the Java Collections Framework?
- A
To provide a set of classes for managing memory
- B
To provide a unified architecture for managing data collections
- C
To handle multithreading
- D
To enhance the performance of the JVM
Question 2
What is the purpose of the Collections class in Java?
- A
It is used to store data
- B
It provides utility methods for collection operations
- C
It is a type of collection
- D
It replaces ArrayList
Question 3
Which of the following is NOT part of the Java Collections Framework?
- A
LinkedList
- B
String
- C
TreeSet
- D
ArrayList
Question 4
Which of the following methods is provided by the Collections class in Java?
- A
addAll()
- B
sort()
- C
shuffle()
- D
all of the above
Question 5
Which of the following is true about the Collections class in Java?
- A
It cannot be inherited
- B
It is a subclass of AbstractList
- C
It contains static methods for working with collections
- D
It provides methods to manipulate a single collection
Question 6
Which of the following interfaces does NOT extend the Collection interface?
- A
List
- B
Set
- C
Map
- D
Queue
Question 7
What does the add() method in a Collection return?
- A
A boolean value indicating success or failure
- B
The added element
- C
A reference to the collection itself
- D
An index of the added element
Question 8
Which of the following is NOT a valid collection in the Java Collections Framework?
- A
Stack
- B
Vector
- C
Map
- D
Tree
Question 9
Which class provides a method to reverse the order of elements in a collection in Java?
- A
ArrayList
- B
Collections
- C
Vector
- D
HashSet
There are 9 questions to complete.