![]() Whereas, Collections Framework is a library of interfaces and implementation classes that provides the common architecture for creating, accessing, and updating the different types of collections.ġ2. These multiple elements are accessed through one Collection object. What is the main difference between Collection and Collections Framework in Java?Īnswer: Collection in java is an object that has multiple elements of the same type in a single entity. In which java package is the collections framework placed?Īnswer: The collections framework is placed in java.util package.ġ1. What is Collections Framework in Java?Īnswer: Collections framework in Java is a sophisticated hierarchy of numerous predefined interfaces and implementation classes that can be used to handle a group of objects as a single entity.ġ0. Or, what is the use of Collections in Java?Īnswer: Collections in Java can be used for storing multiple homogeneous and heterogeneous, duplicate, and unique elements without any size limitation.Īnswer: A set of several classes and interfaces which provide a ready-made architecture is called framework in java.ĩ. Which types of objects can be stored in a collection or container object?Īnswer: We can store both homogeneous and heterogeneous objects in the collection or container object.Īnswer: The multiple objects of a class that contains the same data are called duplicate objects in java.Īnswer: The multiple objects of a class that contains different data are called unique objects in java. Can we store a primitive data type into a collection?Īnswer: No, collections store only objects, not primitive data types values.Ĥ. Answer: No, a collection object works with reference types.
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