LinkedHashMap class is one of the class of map interface which extends HashMap class and implements Map interface. It is combination of linked list […]
Hashtable Class implements Map, Cloneable and Serializable interfaces and also extends Dictionary class. It maps keys to values in table format. Every […]
HashSet is a class of collection framework which extends AbstractSet class and implements the Set interface. HasSet doesn’t guarantee that elements order […]
LinkedHashSet Class extends extends HashSet class and Implements Set interface in collection interface hierarchy. LinkedHashSet implementation differs from HashSet as it maintains doubly-linked list running […]
Set is one of the collection framework interface which extends root Collections interface. Set collection can not contain duplicate elements. Set interface […]
PriorityQueue Class is one of the collection framework class which implements Queue, Serializable, Iterable and Collection interfaces. It is using natural ordering […]
ArrayList class is sub class of collection interface which implements to List interface. ArrayList class provides resizable-array so it can grow automatically […]