Inheritance in Java
In this article, we are going to study what exactly inheritance is in java and the types of inheritance in java. Along with that, we will study each case’s inheritance...
OOPS Concepts in Java with Examples
In this article, we will discuss the OOPS concepts in Java with examples. We will discuss different OOPS concepts in Java with examples like Classes, Objects, and Constructors, and we...
Collections in Java
In this article, we are going to discuss collections in Java. We will discuss the basics of collections framework in Java, different collections classes, collections interfaces, etc. Also, we will...
Java Program to Check Prime Number
In this article, we will discuss the problem of identifying a prime number in Java. We will discuss the definition and meaning of prime numbers, 3 different ways to identify...
Java Program to Reverse a Number
In this article, we will learn to reverse a number in Java. We will understand how to reverse a number in Java and we will write the program to reverse...
Java Program to Check Whether a Number is a Palindrome or Not
In this article, we will discuss what palindrome numbers are and how to write a program to check whether a given number is a palindrome or not in Java. We...
Java Program to Add Two Numbers
In this blog, you will learn how to add two numbers in java. The resultant sum is displayed on the screen. Adding two numbers often seems to be too easy....
Java Program to Find the Factorial of a Number
In this article, we will learn how to find the factorial of a number in java. The factorial of a number is the product of all integers from 1 to...
Java Program to Print the Elements of an Array in Reverse Order
In this article, we are going to discuss “How to reverse an array in Java”. You are given an array of integers. Your task is to output the array in...
Interface in Java
In this article, we are going to discuss the Interface in Java topic. We will define interface in Java, and study the use of interface in Java, its syntax, features,...
Constructor in Java and Types
Constructor is very similar to a method and it is called when an object of the class is created. Generally, a constructor is used to perform initial blocks of code...
Call by Value and Call by Reference in Java
Methods can be called in two ways, call by value and call by reference. Call by value means we call a method by passing value in a parameter. Call by...
Difference between C and Java Language
In this article, we’ll discuss the difference between C and Java Programming languages. C language is one of the oldest languages whereas java is the most diverse language because of...
Data Structures in Java | Queue | Heap
Data structure refers to a collection of data with well-defined operationsIn this article, we’ll be discussing Data structures in Java, The term data, behaviour, or properties. A data structure is...
Data Structures in Java | Array | Linked List | Stack
Introduction: Data structures in Java are an essential aspect of Computer Science. There are different types of data structures that help us store the data in different ways in the...
How to Check Given Number is Armstrong or not
In this article, we will understand what an Armstrong Number in java is. We will see the Approach to check if a number is Armstrong or not along with its...
Iterative Tower of Hanoi
Problem statement In the Tower of Hanoi problem you are given three rods (“Source”, “Destination”, “Auxiliary”) and n disks. Initially, all the disks are stacked on the source rod in...
Heap sort in Java
What is heap? Heap is a special kind of complete binary tree in which the all node has a value greater (or smaller ) than all of its children ....
Min Heap in Java
What is Heap? Heap is a special kind of complete binary tree in which the all node has a value greater (or smaller ) than all of its children ....
Max Heap in Java
What is Heap? Heap is a special kind of complete binary tree in which the all node has a value greater (or smaller ) than all of its children ....
Convert a given Binary Tree To Circular Doubly Linked List
 In this article, we will deep dive and discuss how to convert the binary tree to circular doubly linked list. Converting a binary tree to circular doubly linked list...
Implement Priority Queue Comparator Java
Priority Queue: Priority queue is an abstract data type, It is a type of queue in which each element has a priority assigned to it. The priority of the element...
Queue Interface Java
Firstly, we’ll see what the queue is. Queue A queue is basically a linear data structure that works on the principle of FIFO (First in First out) which means an...
Priority Queue Class In Java
Queue: The queue is a linear data structure that works on the principle of First in First out (FIFO). In the queue, the element which is added at least recently...
What is the difference between core java and advanced java?
Java being one of the most popular languages is sometimes quite intimidating. Most of you must have heard or even used both core java and advanced java concepts at some...
20 Must Practice basic Java Programs for beginners
Write a program to swap two numbers in Java. Ans. Two ways to do this -with third variable and without third variable. public static void swapNumberswithtemp(int a, int b) {...
Difference and similarities between HashSet, LinkedHashSet, and TreeSet in Java
Introduction We all have been using HashSet, LinkedHashSet, and TreeSet in Java. But do you know what are the differences between them and how they all are similar too in...
Convert A Singly Linked List to An XOR Linked List
In this article, we will see another problem of linked list Convert singly linked list into xor linked list. Linked list is a linear data structures. The node in linked...
Merge Two Unsorted Linked Lists To Get A Sorted List
Introduction Even though we have seen different operations on linked lists, where we have done insertion, deletion etc. But what if we want to merge two unsorted linked lists. Lets...
How to Implement Generic LinkedList in java
Introduction One of the most crucial data structures to learn while preparing for interviews is the Linked List. In a coding interview, having a thorough understanding of Linked Lists might...