Top 250 Software Development Interview Questions and Answers

To check logs at a particular time and send a report to the client, use the 'grep' command and a cron job.

• Use the 'grep' command to search for logs at a specific time.

• Create a cron job to run the 'grep' command at the desired time.

• Use a script to for...read more

We use a tech stack consisting of React, Node.js, and MongoDB for our web development projects.

• React for front-end development due to its component-based architecture and virtual DOM

• Node.js for back-end development for its asynchronous and event-driv...read more

The code initializes a new instance of the ChromeDriver class in Selenium WebDriver.

• WebDriver is an interface in Selenium that provides methods for browser automation

• ChromeDriver is a class that implements the WebDriver interface for Chrome browser

• Th...read more

FDD and TDD are two different duplexing techniques used in wireless communication.

• FDD stands for Frequency Division Duplexing and TDD stands for Time Division Duplexing.

• In FDD, separate frequency bands are used for transmitting and receiving data, wh...read more

Different techniques for gathering requirements include interviews, surveys, observation, and prototyping.

• Interviews: one-on-one discussions with stakeholders

• Surveys: questionnaires to collect data from a large group

• Observation: watching users perfor...read more

Spring framework is a popular Java framework used for building enterprise-level applications.

• Provides a comprehensive programming and configuration model for modern Java-based enterprise applications.

• Offers features like inversion of control, aspect-...read more

Spring Boot provides a simplified way to create stand-alone, production-grade Spring-based Applications.

• Rapid application development

• Embedded server for easy deployment

• Auto-configuration for setting up Spring projects quickly

• Microservices support

• Actu...read more

If Assy is less than 100%, API quality for dispensing will be affected.

• API quality for dispensing will be lower if Assy is less than 100%

• Assy refers to the assembly process of components in a product

• It is important to ensure Assy is at 100% to mainta...read more

The payment module is integrated through various APIs and payment gateways.

• The payment module is integrated with the website or application through APIs.

• The APIs communicate with the payment gateway to process the payment.

• The payment gateway verifies...read more

Code words in test runner file in Cucumber

• Cucumber uses Gherkin syntax for writing feature files

• Test runner file specifies the location of feature files and step definitions

• Code words in test runner file include 'feature', 'glue', 'tags', 'plugin', '...read more

Using services or shared state management libraries like RxJS or NgRx

• Use services to store and share data between components

• Use shared state management libraries like RxJS or NgRx for complex data sharing

• Use @Input and @Output decorators for parent-c...read more

Deployment process refers to the steps and procedures involved in releasing and installing software applications or updates.

• Deployment process involves planning, testing, and executing the release of software applications or updates.

• It includes activ...read more

A bug or defect can cause software to malfunction, leading to loss of data, system crashes, security breaches, and financial losses.

• Bugs can cause data loss or corruption, leading to incorrect results or system crashes.

• Security vulnerabilities can be...read more

BDD focuses on behavior and collaboration while TDD focuses on testing and development.

• BDD involves collaboration between developers, testers, and business stakeholders to define behavior in a common language

• TDD involves writing tests before writing ...read more

To build a chat app, you need to create a backend server, choose a database, and implement real-time communication.

• Choose a backend server such as Node.js or Firebase

• Select a database such as MongoDB or Firebase Realtime Database

• Implement real-time c...read more

There are multiple ways to send data from View to controller in ASP.NET MVC, including form submission, AJAX calls, query strings, and model binding.

• Form submission using HTML forms

• AJAX calls using jQuery or other JavaScript libraries

• Query strings in...read more

Spring IOC is a container that manages the lifecycle of Java objects. Dependency Injection is a design pattern that allows objects to be loosely coupled.

• Spring IOC is a container that manages the creation and destruction of objects

• Dependency Injectio...read more

STLC stands for Software Testing Life Cycle. It is a process followed to ensure the quality of software.

• STLC is a systematic approach to testing software.

• It consists of various phases such as requirement analysis, test planning, test design, test exe...read more

The print, pick, pack process in the software involves generating a print order, picking the items from the warehouse, and packing them for shipment.

• The process starts with generating a print order which includes the details of the items to be picked...read more

To improve technical issues, it is important to identify the root cause, implement preventive measures, and continuously monitor and update systems.

• Identify the root cause of technical issues by conducting thorough investigations and analysis.

• Impleme...read more

To execute feature files in parallel in BDD Cucumber Framework, we can use tools like Maven Surefire plugin or Cucumber-JVM-Parallel-Plugin.

• Use Maven Surefire plugin to run tests in parallel by adding and tags in pom.xml file

• Use Cucumber-JVM-Parall...read more

Automate script to navigate to Facebook, login with invalid credentials, and verify error message using page object model.

• Create a page object model for Facebook login page

• Use automation tool like Selenium to navigate to Facebook and enter invalid cr...read more

There are various monitoring tools available for cloud operations engineering.

• CloudWatch

• Datadog

• New Relic

• Nagios

• Zabbix

• Prometheus

• Grafana

• ELK Stack

• Splunk

• Sumo Logic

Before rolling out an application in the production environment, security measures taken include thorough testing, access control, encryption, and monitoring.

• Conducting thorough security testing to identify and address vulnerabilities

• Implementing acc...read more

Reframework is a framework provided by UiPath for building robust and scalable automation solutions.

• Reframework is a template that includes pre-built workflows for exception handling, logging, and reusability.

• It follows a state machine design pattern...read more

Code reviews are conducted regularly to ensure code quality and adherence to coding standards.

• Code reviews are conducted by peers or senior developers.

• Reviewers check for code quality, readability, maintainability, and adherence to coding standards.

• I...read more

I have used code reviews, automated testing, static code analysis tools, and continuous integration to check the quality of code.

• Code reviews by peers to catch bugs and ensure best practices

• Automated testing using tools like Selenium for functional t...read more