Java Vector Sort
In the world of programming, efficient data management is often the key to success. When it comes to handling large collections of data in Java, the Vector class stands as...
What is MERN Stack?
In today's digital world, web, and mobile applications have become an essential part of our daily lives. Creating web and mobile applications requires expertise in various technologies and programming languages....
JavaScript Array Sort() Method
You may arrange array elements in a sequential sequence using the Array sort() method. In addition to returning the sorted array, the Array sort() method changes the positions of the...
JavaScript Array filter() Method
In this post, we will discuss the JavaScript Array filter() method. We will explain the array filter() method by taking different examples. Firstly, we will see the definition of the...
Remove Duplicates from Sorted Array
We'll talk about various methods for Remove duplicates from a sorted array in this blog. Let's first examine how these kinds of inquiries can help you land your ideal job...
Quick Sort Program in Java
Quick Sort program in Java has been introduced because it is an efficient sorting algorithm that can quickly sort large datasets. It has a time complexity of O(n log n)...
Recursion Program in Java
Recursion in Java is a powerful programming technique that enables a function to call itself, allowing for elegant solutions to complex problems. Java, a versatile and widely-used programming language, embraces...
Stack Program in Java
In this article, we will write a Stack program in Java. We will learn about the stack class in Java, how to create a stack, different methods of a stack...
Most Used Operating System Examples
In this article, we are going to see the most used operating system examples. We will discuss the following most used operating system examples; Windows, Linux, Android, Apple iOS, Apple...
Functions of Operating System
An operating system is a software program that is responsible for managing various tasks such as organizing and accessing files, overseeing the usage of memory, regulating processes, facilitating input and...
Indexing in DBMS
Indexing in DBMS is a very important aspect because of the benefits that it has. In this article, we will discuss what is indexing in DBMS. We will also cover...
OOPS Concepts in Java with Examples
In the world of Object-Oriented Programming, where software development transforms into an art of creating organized, modular, and adaptable code. OOP, with its core principles of encapsulation, abstraction, inheritance, and...
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...
OOPS Concepts in C++ with Examples
OOPs concepts in C++ are based on the concept of objects, which can contain data and methods that operate on that data. In this article, we will discuss the OOPS...
Java Program to Check Prime Number
We'll talk about what prime numbers are, what they signify, how to detect them in Java in three distinct methods, all prime numbers between two numbers, etc. Therefore, let's begin...
Java Program to Reverse a Number
Reversing a number means swapping the digits. For instance, if the input is 98634, the output will be 43689, as shown below. In this article, we will learn to reverse...
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...
Largest rectangular Area in Histogram – Set 2
Problem Statement You will be given an array that represents a histogram. The values of the array represent the height of the bars of the histogram and the width 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...
Comprehensive Guide to Cardinality in DBMS
Introduction: When we talk about Database Management Systems (DBMS), or we deal with databases (SQL or No-SQL), we often hear the term cardinality. It is a very important term in...
Iterative Postorder Traversal | Set 1 (Using Two Stacks)
Problem Statement You are given a binary tree. Your task is to print the postorder traversal of the tree iteratively, using 2 stacks. Example Consider the tree given below. The...
Check if an Array is Stack Sortable
Problem Statement You will be given an array A of integers containing N elements. All the elements inside the array are unique and in the range of 1 to N,...
Count Subarrays where Second Highest lies before Highest
Problem Statement You will be given an array of N distinct elements. The minimum value of N is 2. In every subarray of the given array, you have to find...
Reverse Individual Words
Problem Statment You are given a string. This string contains many words that are space separated. You have to reverse each word in the string individually. Examples The input string...
Expression Evaluation
Problem Statement You will be given a string representing a mathematical expression. You have to evaluate it and return the result. Some Constraints The input string will be in Infix...
The Celebrity Problem
TThe Celebrity Problem in Java is a classic algorithmic puzzle that challenges programmers to efficiently identify a special individual within a group who is known by everyone but knows no...
Maximum Product of Indexes of next greater on Left and Right
Problem Statement You are given an array A. Let us say that the array has indices from 1 to N. For each index i in the array: The quantity L(i)...
Number of NGEs to the Right
Problem Statement You will be given an array of N integers. You will also be given an Integer Q denoting the number of queries. Then, you will have Q queries...