Collection Interface
Collection Interface – Collection Interface has arranged on top of the Collection Framework because any class within the Collection Framework must be implement. Collection Interface also extends Iterable Interface so that any class can have use for-each loop for iterating the objects from Collection Interface. Declaration of Collection Interface is : interface Collection<E> E denotes the data type of the objects which will store with in the Collection Interface Now we are providing the Methods List with description which is framed in Collection Interface. boolean add(Object obj) – This method is used for add news object in the Collection. This method returns false if Collection has this object already otherwise this method add the objects and return true. boolean addAll(Collection c) – This method adds all the object of Collection c and return true,...