Java Collections Tutorial

Java HashMap Java HashMap class implements the Map interface which allows us to store key and value pair, where keys should be…

Java HashSet Java HashSet class is used to create a collection that uses a hash table for storage. It inherits the AbstractSet…

Java Hashtable class Java Hashtable class implements a hashtable, which maps keys to values. It inherits Dictionary class and implements the Map…

Java TreeMap class Java TreeMap class is a red-black tree based implementation. It provides an efficient means of storing key-value pairs in…

Iterator in Java In Java, an Iterator is one of the Java cursors. Java Iterator is an interface that is practiced in…

Java TreeSet class Java TreeSet class implements the Set interface that uses a tree for storage. It inherits AbstractSet class and implements…

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…