Gopi Gorantala

Gopi Gorantala

Gopi is a Full Stack Developer since 2016. He worked in Europe, and India from startups to tech giants. It will be hard to find a technology he has not at least tried, heard, or touched in his career.

Find Hamming Distance between two integers

In this lesson, we find the number of positions where

How to Prevent cannot read property split of undefined

The "cannot read property split of undefined" error occurs when

A deep dive into Java Streams API with examples

Let us deep-dive into Streams API, and know how they

How to master react, continuous deployment using Netlify

React is one of the most popular libraries in the

Two Sum problem, 4 different ways to solve it

In this two-sum problem, we use various approaches to solve the problem from brute force to an optimized approach. We also discuss the take-offs and talk about complexity analysis.

What is functional programming, and programming paradigms in Java

A paradigm is a way/method to do some task. A programming paradigm is a style/way of programming and does not refer to a specific language.

Check If Given Array Is Monotonic

An array is called monotonic if the index of each element increases from the first to the last or decreases from the first to the last.

How To Check If The Kth Bit Is Set/Unset

In the kth bit set/unset problem, we need to write a program that checks whether the kth bit of a number is either 1 or 0.

Subsets Or Powerset, A Faang Interview Question

In subsets or powerset problem, we need to write a program that finds all possible subsets (the power set) of a given input. The solution set must not contain duplicate elements.

How to find a missing number in java

In this article, we'll learn various ways to find the missing number in an array. We use a memoization approach, a mathematical approach, and the most optimized way using the XOR operator.