Posted On: Dec 18, 2020
A Java collection framework is an architecture that was added to Java 1.2 version. The Collection Framework provides a well-designed set of classes and interfaces for storing and manipulating a group of data or objects as a single unit.
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Different types of Classes available in Java are as follows:Concrete class Abstract class Final class Static class Inner ClassConcrete class In Java, A concrete class is a type of subclas...