Iterator in Java An iterator in Java is a special type of object that provides sequential (one by one) access to the elements of a collection object. In simple words, it is an object that allows us to get and process one element at a time. It is introduced in … Read more
Java Enumeration | In the previous tutorial, we knew that ArrayList in Java is a resizable array that stores elements in the memory dynamically. If the capacity of the array is exceeded then a new array with a larger capacity will be created and all the existing elements from the … Read more
ArrayList in Java ➲ ArrayList in Java is a resizable-array that can grow or shrink in the memory whenever needed. It is dynamically created with an initial capacity. It means that if the initial capacity of the array is exceeded, a new array with larger capacity is created automatically and … Read more
List in Java ➲ A list in Java is a collection for storing elements in sequential order. Sequential order means the first element, followed by the second element, followed by the third element, and so on. A good realtime example of list is a line of train bogies on a … Read more
Java LinkedList ➲ Java LinkedList is a linear data structure that uses a doubly linked list to store the elements. A doubly linked list consists of a group of nodes that together represents a sequence in the list. Each node contains three fields: a data field that contains data stored … Read more
In the previous tutorial, we have learned the basics of LinkedList in Java. If you have any doubt in LinkedList chapter, you first visit this chapter and understand basics topics in easy ways. Now, we will learn various types of Java LinkedList example programs based on all methods of linked … Read more
In this tutorial, we will know another important topic collection hierarchy in java and collection interface. In the previous tutorial, we have covered the basic points of the collections framework in Java with realtime examples, why do we need for collections framework if arrays are already available to store a … Read more