Java MCQ: What does the Collection interface represent in Java?
a) A group of objects
b) A single object
c) A database connection
d) A multithreading mechanism
Answer:
a) A group of objects
Explanation:
The Collection interface in Java represents a group of objects, known as elements. It is the root interface of the Java Collections Framework, providing common methods for manipulating groups of objects. Subinterfaces include List, Set, and Queue.
Understanding the Collection interface is crucial for working with various types of collections in Java.
Reference links:
https://www.rameshfadatare.com/learn-java-programming/
https://www.javaguides.net/p/java-tutorial-learn-java-programming.html