Java Program for Number Mirror | CodeChef Solution with Explanation
Java Program for Number Mirror | CodeChef Solution with Explanation
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Java Program for Add Two Numbers - CodeChef
Java Program for Add Two Numbers - CodeChef
Top 5 Rust Books 2025
Top 5 Rust Books 2025
Top 5 Python Books 2025
Top 5 Python Books 2024
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Top 10 JavaScript Books 2024
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Java Program for Sum the digits - CodeChef
Sum of Digits problem from CodeChef.
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Subsets Of a Given Array, a Google Interview Question
In this coding problem, we need to find the power-set of given input without duplicates. Overview In this article, we discuss the subsets of a given input. This is one of the most popular questions asked in coding interviews. Companies that have asked this in their coding interview are Apple,
Method References And Types Available In Java
We see method references and different kinds of method references available in Java with examples. Method References Method reference operator :: is used to refer to the methods of functional interface. It is a compact and easy form of the lambda expression. Lambda expressions are used to create anonymous methods. Most
Subsets / Power-set Problem
In the Subsets problem, we find the power set of a given input using bitwise operations. In general, if we have n elements then the subsets are 2^n subsets.
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Coding Interviews
Monotonic Array Problem
For the monotonic increasing array, we need to check if the previous index is less than the current index. And for the monotonic decreasing array, we need to check if the previous index is greater than the current index.
Coding Interviews
Check Kth bit either '1' or '0'
Check Kth bit either '1' or '0'
React
How To Build a Simple React To-Do App with React Hooks
Building a React To-Do app with React Hooks is a great way to learn how to use React Hooks in your projects.
Coding Interviews
What is Big O Notation? Why it is Important For Coding Interviews?
What is Big O Notation? Why it is Important For Coding Interviews?
React
React Hook: A Guide To Beginners
React Hooks were introduced in React 16.8 to allow functional components to manage state and side effects. They provide a way to use stateful logic without writing a class component.
Coding Interviews
Two Sum Problem
Two Sum problem is a classic problem. Let us solve this using five different types from brute force to an optimized approach using Hashtable.