The List interface includes all the methods of the Collection interface. Its because Collection is a super interface of List. Some of the commonly used methods of the Collection interface that's also available in the List interface are:
- add() - adds an element to a list
- addAll() - adds all elements of one list to another
- get() - helps to randomly access elements from lists
- iterator() - returns iterator object that can be used to sequentially access elements of lists
- set() - changes elements of lists
- remove() - removes an element from the list
- removeAll() - removes all the elements from the list
- clear() - removes all the elements from the list (more efficient than removeAll())
- size() - returns the length of lists
- toArray() - converts a list into an array
- contains() - returns true if a list contains specified element
