#collections tutorial

First thing to mention about List interface is , List is a child interface to Collection interface. List is an ordered collection which is introduced in 1.2v of Java . List interface is also known to be Sequence collection. The hierarchy of List interface is shown below 

public Interface List<>

All Super Interfaces ( extends)

 Collection , Iterable

All known implementing classes

AbstractList,…

Java Collections Class

Java Collections class is a utility class present in java.util package. This class consist exclusively of static methods that operate on collections object or returns collections(group of elements). Because it is a utility class , it contains polymorphic algorithms that operate on collections wrappers which returns a new collection backed by a specific collection. 

The…