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Use bitwise operators to perform addition without using the plus sign.
Use bitwise XOR operation to add two numbers without carrying over
Use bitwise AND operation to find the carry bits and shift them to the left
Repeat the process until there are no more carry bits
Reverse a given string
Use a loop to iterate through the characters of the string and build a new string in reverse order
Alternatively, use built-in functions like reverse() or StringBuilder in some programming languages
Top trending discussions
I applied via Walk-in and was interviewed in Sep 2021. There were 5 interview rounds.
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
Allows a class to inherit properties and behaviors from another class
Promotes code reusability and reduces redundancy
Creates a parent-child relationship between classes
Derived class can access public and protected members of the base class
Example: Class 'Car' can inherit from class 'Vehicle' to reuse
posted on 29 Jul 2022
I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
Authentication is the process of verifying the identity of a user, while authorization is the process of granting access to specific resources.
Authentication confirms the identity of a user through credentials such as username and password.
Authorization determines what resources a user can access based on their role or permissions.
Examples of authentication include logging into a website or entering a PIN at an ATM.
Exa...
I appeared for an interview before Jul 2023.
Negotiable based on experience and responsibilities
Salary expectations are dependent on the specific role, responsibilities, and industry standards
Consider factors such as location, company size, and benefits package when determining salary expectations
Research average salaries for similar positions in the industry to have a realistic expectation
Basic Manual testing Questions
I applied via Naukri.com and was interviewed before Jun 2022. There were 4 interview rounds.
Various types of testing methods include manual testing, automated testing, performance testing, and regression testing.
Manual testing involves testers manually executing test cases without the use of automation tools.
Automated testing uses automation tools to execute test cases and compare actual outcomes with expected outcomes.
Performance testing evaluates the speed, responsiveness, and stability of a system under va...
Software test life cycle is a set of activities performed to ensure the quality of a software product.
It includes test planning, test design, test execution, and test closure.
Test planning involves defining the scope, objectives, and resources for testing.
Test design involves creating test cases and test scenarios based on requirements.
Test execution involves running the test cases and reporting defects.
Test closure in...
I applied via Campus Placement
Aptitude and combined coding tests
Design a web/mobile app for farmers to directly sell their produce.
Create a user-friendly interface for farmers to list their produce
Include features for farmers to set prices and quantities
Implement a search function for buyers to find specific produce
Include a secure payment system for transactions
Allow farmers to track their sales and manage inventory
posted on 9 Nov 2019
I applied via Company Website and was interviewed in Oct 2019. There were 5 interview rounds.
posted on 19 May 2021
I applied via Campus Placement and was interviewed in Nov 2020. There were 5 interview rounds.
Developed a web-based project management tool for small businesses
Used PHP and MySQL for backend development
Implemented a responsive UI using HTML, CSS, and JavaScript
Included features such as task assignment, progress tracking, and file sharing
Conducted user testing and incorporated feedback for improvements
based on 2 interviews
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