Java Collections Tutorial

Java LinkedHashMap class Java LinkedHashMap class is Hashtable and Linked list implementation of the Map interface, with predictable iteration order. It inherits…

Java Vector Vector is like the dynamic array which can grow or shrink its size. Unlike array, we can store n-number of…

Java LinkedHashSet Class Java LinkedHashSet class is a Hashtable and Linked list implementation of the Set interface. It inherits the HashSet class…

Working of HashMap in Java What is Hashing It is the process of converting an object into an integer value. The integer…

Java LinkedList class Java LinkedList class uses a doubly linked list to store the elements. It provides a linked-list data structure. It…

Java List List in Java provides the facility to maintain the ordered collection. It contains the index-based methods to insert, update, delete…

Java Collection Interface Collection is a group of objects, which are known as elements. It is the root interface in the collection…

Java Map Interface A map contains values on the basis of key, i.e. key and value pair. Each key and value pair…

Java Collections class Java collection class is used exclusively with static methods that operate on or return collections. It inherits Object class.…

Java Queue Interface The interface Queue is available in the java.util package and does extend the Collection interface. It is used to…