Abstract Classes In Collection Framework

1. AbstractCollection:

The majority of the Collection interface is implemented by AbstractCollection.

2.AbstractList:

AbstractList is a subclass of AbstractCollection that implements the vast majority of the List interface.

3.AbstractSequentialList:

AbstractSequentialList extends AbstractList to allow a collection to access its elements in a sequential rather than random order.

4. AbstractSet:

AbstractSet is a subclass of AbstractCollection that implements the vast majority of the Set interface.

5.Abstract Map :

The majority of the Map interface is implemented by AbstractMap.