Java Collections Tutorial

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…

Java Comparable interface Java Comparable interface is used to order the objects of the user-defined class. This interface is found in java.lang…

Java Comparator interface Java Comparator interface is used to order the objects of a user-defined class. This interface is found in java.util…

Difference Between ArrayList and LinkedList ArrayList and LinkedList both implement the List interface and maintain insertion order. Both are non-synchronized classes. However,…

Difference between ArrayList and Vector ArrayList and Vector both implements List interface and maintains insertion order. However, there are many differences between…