An anagram is a word or phrase that is formed by rearranging the letters of another word or phrase. For example, “listen” is an anagram of “silent”. How to Check if Two Strings are Anagrams in Java In this program, Read more…
Sure! Let’s expand on the blog post by including multiple solutions for checking the equality of two arrays in Java. Below, I’ll present three different methods: How Do You Check the Equality of Two Arrays in Java? In Java, checking Read more…
One of the common interview questions asked at MAANG companies is how to find duplicate characters in a string. In this post, we will walk through various approaches, from basic to optimized, to tackle this problem. Problem Statement Given a Read more…
In Java, you can remove all white spaces from a string by using the replaceAll() method with a regular expression or by manually iterating through the string and omitting the spaces. Here are a couple of ways to achieve this: Read more…
Creating a pyramid of numbers in Java is a common task often used to practice loops and nested loops. The pyramid pattern typically consists of numbers arranged in rows with increasing size, making it look like a pyramid. Below is Read more…
Reversing a string is one of the most common tasks in programming, and there are various ways to achieve this in Java. Let’s explore some of the simplest and most efficient methods to reverse a string. Method 1: Using StringBuilder Read more…
Java PriorityQueue Class Example In Java, the PriorityQueue class is part of the java.util package and is used to implement a priority queue data structure. This class is implemented as a priority heap, which allows elements to be processed based Read more…
Problem Statement: In this problem, you are tasked with finding the node at which two singly linked lists intersect. The lists may intersect at any point, and you need to return the intersection node. If there is no intersection, you Read more…
Problem Statement: Partition List In this problem, you are given a linked list and a value x. The goal is to partition the list such that all nodes with values less than x come before nodes with values greater than Read more…
Problem Statement: In this problem, you need to remove duplicate elements from a sorted linked list such that each element appears only once. Input: Output: Example: Approach to the Problem: Since the linked list is already sorted, we can simply Read more…