Binary Search
Binary search is an efficient algorithm used to find an element in a sorted array or list by repeatedly dividing the search range in half. It compares the target value to the middle element, narrowing the search to either the left or right half. It runs in O(log n) time complexity.
Top Binary Search Blogs
Amazon SDE II Interview Experience (Bangalore, Selected) ~ Aug 2026
Amazon SDE II interview experience from Bangalore covering 4 rounds, DSA, LLD, system design, Leadership Principles, coding questions and selection.
Searching Algorithms: The Complete Beginner to Advanced Guide
Master searching algorithms: linear, binary, hashing, BSTs & B-Trees. Real code, real bugs, and how to pick the right one for interviews & databases.
Binary Search Explained: A Beginner's Guide With Real Examples
Learn Binary Search from scratch with easy words, real-life examples, and 7 different types of Binary Search questions with Java code, complexity.
Top Binary Search Articles
Find Minimum in Rotated Sorted Array
Find minimum Element in a Rotated Sorted Array. Given a rotated sorted array your task is to find the minimum element in that array. Find Minimum in Rotated Sorted Array. Given the sorted rotated array arr of unique elements return the minimum element of this array.
Search Element in Rotated Sorted Array
Search Element in a Rotated Sorted Array. Given a rotated sorted array your task is to find a element in that array. There is an integer array arr sorted in ascending order your task is to find a target element in that array.
Popular Topics
JavaCoding ProblemsSQLDatabaseTechnical InterviewLanguage-ConceptsLow-Level Design (LLD)Application DesignArrayInterview Preparation
Java is a high-level object-oriented programming language. it's firstly released by Sun Microsystems in 1995. Use this tag when you're having queries using or understanding the language. This tag is also applicable to Java libraries and frameworks.
Coding problems are exercises designed to test a programmer’s ability to write logic, solve challenges and apply algorithms or data structures. They help improve problem-solving skills, logical thinking and coding efficiency. Common in interviews and competitive programming, coding problems range from simple tasks to complex algorithmic challenges, preparing developers for real-world software development scenarios.
SQL stands for Structured query language. It is a programming language for storing and processing information in a relational database. It is standard language for accessing and manipulating databases.
A database is an organized collection of data. It is the collection of schemas, tables, queries, reports, views, and other objects. The data are typically organized to model aspects of reality in a way that supports processes requiring information. Use this tag if you have questions about designing a database.
Technical Interview is a structured assessment where employers evaluate a candidate’s technical skills, problem-solving ability and practical knowledge related to a specific role. It typically includes coding challenges, system design questions, debugging tasks and discussions about past projects. The goal of a technical interview is to measure how effectively a candidate can apply their technical expertise to solve real-world problems.
This tag is used to understand a basic part of the language.
Low-Level Design (LLD) defines the internal workings of individual software components. It focuses on class structures, object interactions, methods and data flow. LLD translates high-level architecture into detailed designs using principles like SOLID and design patterns, serving as a blueprint for developers to write clean, maintainable and scalable code.
Application design is the process of planning and structuring an application’s architecture, user interface, data flow and functionality to meet user and business requirements. It involves decisions on technology stack, design patterns, scalability and security. Good application design ensures performance, maintainability and a seamless user experience across platforms and devices.
An array is a linear data structure that stores multiple elements of the same type in contiguous memory locations. It allows fast access using index positions, making operations like retrieval efficient. Arrays are widely used for organizing data, implementing algorithms and building other data structures. However, their size is fixed, making resizing difficult compared to dynamic collections.
Interview Preparation is the process of getting ready to perform confidently and effectively in a job interview. It includes researching the company, understanding the job role, practicing common interview questions, improving communication skills and reviewing technical or domain knowledge. Proper interview preparation increases confidence, reduces anxiety, and improves your chances of securing the job.
Popular Articles
How to Approach HR Interview Questions , What to Keep in Mind While Answering HR Interview Questions, HR Interview Questions and Answers
Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step
Mastering the Template Design Pattern in C#, Template Design Pattern in Depth: Structure, Use Cases and Best Practices
You are given two integer arrays arr1 and arr2, sorted in accending order, and two integers m and n, representing the number of elements in arr1 and arr2 respectively. Merge arr1 and arr2 into a single array sorted in accending order.
Length of the Longest Substring Without Repeating Characters | Given a string str find the length of the longest substring without repeating characters | find the length of the longest substring without repeating characters in a given string |
Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers
List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures
Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design
Amazon Transaction Logs (example question), Amazon Transaction Logs Interview question
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