🔰Difference between Abstract Class and Interface in Java : An abstract class can have a mixture of fully implemented methods and abstract methods (which are declared but not implemented) and can maintain state through fields. An interface can only declare…

🔰How to remove an element from ArrayList in Java?
Using the remove() method of the ArrayList class is the fastest way of deleting or removing the element from the ArrayList.
🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰Java ArrayList removeIf() Method : Java ArrayList removeIf() Method :
The Java ArrayList removeIf() method removes all elements from the arraylist that satisfy the specified condition.

🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.you…

🔰Custom ArrayList in Java : In this tutorial, we will learn how to store user-defined (custom) class objects in Java ArrayList in an easy way and step by step.
🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL-GHuu…

🔰Java ArrayList sort() Method : This sort() method takes the collection to be sorted as the parameter and returns a Collection sorted in the Ascending Order by default.
🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰What is the difference between add and addAll methods in ArrayList?
The difference is that you use a loop and "add" together to add one item at a time. But when you use "addAll" you add an entire collection at once and you don't need a loop.

🔰For Complete…

🔰What is retainAll in ArrayList?
The Java ArrayList retainAll() method retains only those elements in the arraylist that are also present in the specified collection.

🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰 Java ArrayList isEmpty() Method : The Java ArrayList isEmpty() method returns true if this list contains no elements. This method always returns the result as per the current state of the list.
🔰 For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https…

🔰 Serialize and Deserialize an ArrayList : In Java, ArrayList class is serializable by default. It essentially means that we do not need to implement Serializable interface explicitly to serialize an ArrayList. We can directly use ObjectOutputStream to serialize…

🔰 What is LinkedList class in Java?
A linked list in Java is a dynamic data structure whose size increases as you add the elements and decreases as you remove the elements from the list.
🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.you…

🔰 Java LinkedList listIterator() Method : The Java LinkedList listIterator(index) method returns an list iterator over the elements in this list, starting at specified point.

🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰 Java LinkedList listIterator() Method : The Java LinkedList listIterator(index) method returns an list iterator over the elements in this list, starting at specified point.

🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰LinkedList for loop : Using enhanced for loop we can sequentially iterate a LinkedList. The execution of the enhanced for loop ends after we visit all the elements.
🔰For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…

🔰 Java LinkedList forEach() Method : The forEach() method performs an action on every item in a list. The action can be defined by a lambda expression that is compatible with the accept() method of Java's Consumer interface. To learn about lambda expressions…

🔰 How Many Ways to iterate LinkedList in java :
1.Using loop: for loop. while loop. do while loop.
2.Using enhanced for loop.
3.Using forEach() method.
4.Using iterators. iterator() method. listIterator() method.
5.Using isEmpty() and poll() method.
6.Using…

🔰 How to add elements in a LinkedList : LinkedList is a generic class of Java Collection Framework that implements three interfaces namely List, Deque, and Queue. It provides the features of a LinkedList data structure which is a linear data structure where…

🔰 How to Reverse Linked List : These objects are added to the linked list using add() method. The linked list is reversed using In-built reverse() method of Collections class.

🔰 For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/…

🔰 Custom Linked List : In this video, we will be creating a LinkedList implementation in Java and perform several operations such as insert a node at the end, insert a node at a given index, delete a node, insert the head node and traversal of a LinkedList.…

🔰 Java check empty LinkedList : The isEmpty() method of List interface in java is used to check if a list is empty or not. It returns true if the list contains no elements otherwise it returns false if the list contains any element.
🔰 For Complete Collection…

🔰 Java List Interface : In Java, the List interface is an ordered collection that allows us to store and access elements sequentially. It extends the Collection interface.
🔰 For Complete Collection Framework Tutorial 👇👇👇👇👇👇
https://www.youtube.com/playlist?list=PL…