what is collection in java mcq what is collection in java mcq Table of Contents Toggle What is a collection in Java?What is a collection in Java?What does the Java Collections Framework provide?What is a key feature of the Java Collections Framework?Why is the Java Collections Framework important? What is a collection in Java? A) A framework to store primitive data types B) A framework to store and manipulate groups of objects C) A type of class used for mathematical calculations D) A way to manage threads in Java Answer: B) A framework to store and manipulate groups of objects Explanation: A collection in Java is a framework that provides an architecture to store and manipulate groups of objects. It includes interfaces, implementations, and algorithms to manage data in a flexible and efficient way. What is a collection in Java? A) A framework for managing files and directories B) A framework for handling database connections C) A framework to store and manipulate groups of objects D) A framework for GUI development Answer: C) A framework to store and manipulate groups of objects Explanation: A collection in Java is a framework that provides an architecture to store and manipulate groups of objects. It includes interfaces, implementations, and algorithms to manage data in a flexible and efficient way. What does the Java Collections Framework provide? A) Tools for network programming B) A set of classes and interfaces for working with groups of objects C) Utilities for handling XML data D) A library for mathematical functions Answer: B) A set of classes and interfaces for working with groups of objects Explanation: The Java Collections Framework provides a set of classes and interfaces for working with groups of objects, making it easier to store, retrieve, and manipulate data. What is a key feature of the Java Collections Framework? A) Support for primitive data types B) Built-in threading support C) Dynamic resizing of data structures D) Direct interaction with the operating system Answer: C) Dynamic resizing of data structures Explanation: A key feature of the Java Collections Framework is dynamic resizing of data structures. This allows collections like ArrayList and HashSet to automatically resize themselves as elements are added or removed, making them more flexible and efficient. Why is the Java Collections Framework important? A) It simplifies file I/O operations B) It provides a standardized way to handle groups of objects C) It enhances the performance of network communications D) It is essential for JVM optimization Answer: B) It provides a standardized way to handle groups of objects Explanation: The Java Collections Framework is important because it provides a standardized way to handle groups of objects. It simplifies many common programming tasks by offering ready-made data structures and algorithms, improving code readability and maintainability. For other questions, kindly visit Java Collection MCQs with answers explained.