Top 250 Software Development Interview Questions and Answers

Maven is a build automation tool and Hybrid Framework is a combination of Data Driven and Keyword Driven frameworks.

• Maven is used for building and managing Java-based projects

• It helps in managing dependencies and creating project structure

• Hybrid Framework combines the benefits of Data Driven and Keyword Driven frameworks

• It allows for reusability of code and easy maintenance

• Hybrid Framework uses data tables to store test data and keywords to perform actions

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 Injection is a design pattern that allows objects to be loosely coupled

• Spring IOC uses Dependency Injection to inject dependencies into objects

• Dependency Injection can be implemented without using Spring IOC

There is no one-size-fits-all answer to this question as it depends on the project requirements and team's expertise.

• Choose a framework that aligns with the project requirements and team's expertise

• Popular frameworks include Selenium, Appium, TestComplete, and Cypress

• Consider factors such as cross-browser compatibility, scalability, and maintainability

• Ensure the framework supports the programming language used in the project

• Evaluate the framework's reporting capabilities

Collaboration tools can help in software development by improving communication, increasing productivity, and facilitating project management.

• Collaboration tools like Slack, Trello, and Jira can improve communication between team members and stakeholders.

• Version control systems like Git can help manage code changes and facilitate collaboration among developers.

• Project management tools like Asana and Basecamp can help teams stay organized and on track.

• Code review tools like Gi...read more

DevSecOps pipeline can be implemented by integrating security into the DevOps process.

• Start by identifying security requirements and risks

• Integrate security testing into the CI/CD pipeline

• Use automated tools for vulnerability scanning and testing

• Implement security controls and policies as code

• Ensure continuous monitoring and feedback loops

• Collaborate with security teams and stakeholders

Agile is iterative and flexible, while waterfall is linear and rigid.

• Agile focuses on delivering working software in short iterations, while waterfall follows a sequential process.

• Agile welcomes changes in requirements, while waterfall requires a detailed plan upfront.

• Agile emphasizes collaboration and communication, while waterfall relies on documentation.

• Agile is suited for complex and uncertain projects, while waterfall is suited for well-defined projects.

• Examples of agile...read more

Stateful widgets can change their state during runtime, while stateless widgets cannot.

• Stateful widgets have a mutable state that can be modified.

• Stateless widgets are immutable and cannot be modified once created.

• Stateful widgets are used when the UI needs to change dynamically based on user interactions or other factors.

• Stateless widgets are used when the UI does not need to change and can be purely based on the input parameters.

• Stateful widgets use the 'State' class to man...read more

Workflow automates simple processes, while Process Builder allows for more complex processes with multiple criteria and actions.

• Workflow is used for automating simple tasks based on criteria and actions.

• Process Builder allows for more complex processes with multiple criteria and actions.

• Workflow is limited in functionality compared to Process Builder.

• Process Builder can update related records, send emails, create records, etc.

• Process Builder can evaluate multiple criteria bef...read more

Deploying a 3 tier application involves setting up separate layers for presentation, application logic, and data storage.

• Set up the presentation layer on a web server, such as Apache or Nginx.

• Deploy the application logic layer on application servers, like Tomcat or JBoss.

• Utilize a database server, such as MySQL or PostgreSQL, for the data storage layer.

• Ensure proper communication and connectivity between the layers.

• Use tools like Docker or Kubernetes for containerization and ...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 testing and JUnit for unit testing

• Static code analysis tools like SonarQube to identify code smells and potential bugs

• Continuous integration with tools like Jenkins to automate testing and deployment processes

QA stands for Quality Assurance. They are responsible for ensuring that the software meets the required quality standards.

• Develop and execute test cases

• Identify and report defects

• Collaborate with developers to resolve issues

• Ensure adherence to quality standards and processes

• Provide feedback on usability and functionality

• Conduct regression testing

• Maintain test documentation

DDLC stands for Doki Doki Literature Club, a visual novel game developed by Team Salvato.

• DDLC is a free-to-play game that gained popularity for its unique storyline and psychological horror elements.

• The game features four female characters that the player can interact with and form relationships with.

• DDLC has multiple endings and a metafictional aspect that blurs the line between the game and reality.

• The game has been praised for its storytelling and use of game mechanics to ...read more

DI & IOC are design patterns used in software engineering to achieve loose coupling and better maintainability.

• DI stands for Dependency Injection, which is a technique to provide dependencies to an object from an external source rather than creating them within the object.

• IOC stands for Inversion of Control, which is a principle that states that the control of object creation and lifecycle should be inverted from the application to a framework or container.

• DI and IOC are ofte...read more

To add dependency SDKs for a particular build flavor, modify the build.gradle file and specify the dependencies for that flavor.

• Open the build.gradle file for your project

• Locate the section for the desired build flavor

• Inside the dependencies block, add the necessary SDK dependencies

• Sync the project to apply the changes

My approach would be to first understand the project requirements, identify the tools and technologies needed, and then design a modular and scalable framework.

• Understand project requirements

• Identify tools and technologies needed

• Design a modular and scalable framework

• Create a folder structure for the framework

• Define coding standards and guidelines

• Implement reusable functions and libraries

• Integrate with version control system

• Implement reporting and logging mechanisms

• Create tes...read more

To initialize Chrome driver, create an instance of ChromeDriver class.

• Create an instance of ChromeDriver class

• Set the path of ChromeDriver executable file

• Use the instance to interact with the browser

A concept test is a research method used to evaluate a new product or service idea before it is launched.

• Components of a concept include the product or service idea, target market, unique selling proposition, and benefits to the consumer.

• Concept tests can be conducted through surveys, focus groups, or online testing.

• The results of a concept test can help a company determine whether to move forward with a product or service idea, make changes to the concept, or abandon the ide...read more

We track/monitor it through various tools and software.

• We use project management tools like Trello and Asana to track progress.

• We use analytics tools like Google Analytics to monitor website traffic.

• We use social media monitoring tools like Hootsuite to track brand mentions.

• We use customer relationship management (CRM) software to track sales and customer interactions.

• We conduct regular performance reviews and feedback sessions to monitor employee progress.

• We use automated te...read more

Authentication and authorization were handled using a combination of technologies and protocols.

• Used OAuth 2.0 for authentication

• Implemented role-based access control for authorization

• Stored user credentials securely using bcrypt hashing algorithm

• Used JSON Web Tokens (JWT) for session management

• Implemented two-factor authentication for sensitive operations

Data can be submitted in PowerApps through various ways.

• Using SubmitForm function

• Using Patch function

• Using Update function

• Using Collect function

• Using a custom connector

• Using a data gateway

• Using a flow

• Using a REST API

An incident is an unplanned interruption or reduction in quality of an IT service. It is created when an event is detected or reported.

• An incident is an event that disrupts or has the potential to disrupt normal IT operations.

• It can be created when an event is detected by monitoring systems or reported by users.

• Incidents can range from minor issues like software crashes to major outages.

• They are typically logged in an incident management system for tracking and resolution.

• Exa...read more

Automating and integrating APIs involves using tools and techniques to streamline the process of connecting and interacting with different software systems.

• Use API testing tools like Postman or SoapUI to automate API calls and verify responses

• Implement API integration frameworks like Apache Camel or MuleSoft to facilitate seamless communication between systems

• Leverage scripting languages like Python or JavaScript to write scripts that automate API interactions

• Utilize API mana...read more

There are 4 transitions in RE Framework: Init, Get Transaction Data, Process Transaction, and End Process.

• Init - Initializes the application, opens applications, logs in, and sets up environment.

• Get Transaction Data - Retrieves transaction data from queue or data source.

• Process Transaction - Processes the transaction data, performs necessary actions, and updates status.

• End Process - Cleans up resources, logs out, and closes applications.

Check the version control system for any changes made to the code in DEV.

• Check the commit history in the version control system.

• Compare the code in PRD with the latest version in DEV.

• Ensure that any changes made in DEV are properly tested and approved before deploying to PRD.

To gather NFR from an unaware client for a new application, follow these steps:

• Explain the importance of performance testing and its benefits

• Provide examples of how performance issues can impact the application and business

• Ask the client about their expectations for the application's performance

• Discuss the application's usage scenarios and expected user load

• Collaborate with the development team to identify potential performance bottlenecks

• Use industry standards and best pract...read more

I would follow the incident management process to identify the root cause and resolve the issue as quickly as possible.

• Notify the relevant stakeholders and initiate the incident management process

• Identify the root cause of the issue and take corrective actions

• Rollback to the previous stable version if necessary

• Communicate the status and progress of the incident to stakeholders

• Conduct a post-incident review to identify areas of improvement

ViewModel is a class that is responsible for preparing and managing the data for an activity or fragment.

• ViewModels are designed to store and manage UI-related data in a lifecycle-conscious way.

• They survive configuration changes, such as screen rotations, and are not destroyed when the activity or fragment is destroyed and recreated.

• ViewModels are typically used to hold data that is needed by multiple fragments or activities within an application.

• They can also be used to comm...read more

The .NET pipeline build process involves several steps including source code management, building, testing, and deployment.

• Source code is managed using a version control system like Git.

• The build process involves compiling the code and creating an executable or library.

• Unit tests are run to ensure the code is functioning correctly.

• The application is deployed to a testing or staging environment for further testing.

• Once testing is complete, the application is deployed to produc...read more

Application architecture refers to the design and organization of software applications.

• It includes the selection of technologies, frameworks, and patterns.

• It defines the components, modules, and layers of the application.

• It determines the communication and interaction between different parts of the application.

• It considers factors such as scalability, security, and maintainability.

• Examples include client-server architecture, microservices architecture, and event-driven archi...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 communication using WebSockets or Firebase Cloud Messaging

• Design the user interface and user experience

• Add features such as push notifications and message encryption

SDI stands for Serial Digital Interface, a standard for transmitting digital video signals.

• SDI is commonly used in the broadcast industry for transmitting high-quality video signals.

• It supports various video formats, including SD-SDI, HD-SDI, and 3G-SDI.

• SDI cables can transmit video, audio, and metadata over long distances without signal degradation.

• SDI is widely used in live production, post-production, and video surveillance systems.

• Examples of SDI equipment include SDI cam...read more

Mobile automation refers to the process of automating testing of mobile applications using software tools.

• Mobile automation involves writing scripts to simulate user actions on mobile devices

• It helps in testing the functionality, performance, and usability of mobile applications

• Tools like Appium, Selenium, and Robotium are commonly used for mobile automation

• Mobile automation can be done on both Android and iOS platforms

• It saves time and effort in testing mobile applications

Microflows and nanoflows are both used in Mendix for defining business logic, but they differ in their scope and complexity.

• Microflows are used for larger and more complex processes, while nanoflows are used for smaller and simpler processes.

• Microflows can have multiple activities and can be triggered by events, while nanoflows have a single activity and are typically called from microflows.

• Microflows can have input and output parameters, while nanoflows do not support parame...read more

We are using the Selenium framework for automation testing in our project.

• Selenium is a popular open-source automation testing framework

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is used for automating web applications

• It provides features for browser automation, testing across different browsers, and parallel test execution

Profile registry is used to store user profiles and their preferences in a centralized location.

• Profile registry is used to manage user profiles and preferences in a centralized location

• It can be configured in a project by defining the schema for user profiles and preferences

• Profile registry can be accessed through APIs or SDKs

• It can be used to personalize user experience and provide targeted content

• Examples of profile registry include AWS Cognito, Firebase Authentication, an...read more

The main package refers to the primary product or service offered by the store.

• The main package is the core offering that attracts customers to the store.

• It is typically the most popular or profitable product or service.

• For example, in a grocery store, the main package could be fresh produce or household essentials.

• In a clothing store, it could be the latest fashion collection or a specific brand.

• The main package may vary depending on the store's target market and industry.

We use Git for version control.

• We use Git as our primary version control system.

• We follow the Gitflow branching model.

• We use GitHub for code reviews and pull requests.

• We also use GitLab for some projects.

• We have automated tests and continuous integration set up with Git hooks.

I have worked on modules related to project management, data analysis, and client communication.

• Project management module focused on task allocation and progress tracking

• Data analysis module involved creating reports and visualizations for decision making

• Client communication module included features for sending updates and receiving feedback

Given-When-Then is a testing methodology used in API testing to define the preconditions, actions, and expected outcomes of a test case.

• Given: Defines the preconditions or initial state of the system

• When: Defines the actions or events that occur in the system

• Then: Defines the expected outcomes or results of the actions taken

The procedure for backend process involves data processing, analysis, and storage using various tools and technologies.

• Backend process involves handling data that is not visible to the user.

• It includes data processing, analysis, and storage using tools like databases, APIs, and servers.

• The process also involves ensuring data security and privacy.

• Backend developers use programming languages like Java, Python, and Ruby to build and maintain the backend system.

• Testing and debugg...read more

Best practices for creating an API

• Design API around resources

• Use HTTP methods correctly

• Provide clear and concise documentation

• Version your API

• Implement security measures

• Use consistent error handling

• Optimize for performance

• Test thoroughly before release

A bug is an error or defect in software that causes it to malfunction. It is reported by documenting the issue and its impact.

• A bug is a deviation from expected behavior

• It can be caused by coding errors, design flaws, or environmental factors

• To report a bug, document the issue with steps to reproduce and expected vs actual results

• Include screenshots or videos if possible

• Assign severity and priority levels based on impact and urgency

ORM tools provide abstraction, simplify database operations, improve code maintainability, and enhance productivity.

• ORM tools abstract the database layer, allowing developers to work with objects instead of writing complex SQL queries.

• They simplify database operations by automatically generating SQL queries based on object-oriented code.

• ORM tools handle database connections, transactions, and caching, reducing the amount of boilerplate code.

• They improve code maintainability b...read more

A/B testing is a method of comparing two versions of a webpage or app to determine which one performs better.

• A/B testing involves creating two versions of a webpage or app, with one element changed in the second version.

• The two versions are then shown to different groups of users, and their behavior is tracked to determine which version performs better.

• The winner version is selected based on statistical significance, which means that the difference in performance between the ...read more

To make an application scalable, consider factors like load balancing, caching, database optimization, and horizontal scaling.

• Use load balancers to distribute traffic evenly across multiple servers

• Implement caching to reduce the number of requests to the server

• Optimize database queries and indexes to improve performance

• Use horizontal scaling to add more servers as needed

• Design for fault tolerance and high availability

STLC stands for Software Testing Life Cycle. It is a process followed by testers to ensure high-quality software.

• STLC consists of several stages such as Requirement Analysis, Test Planning, Test Design, Test Execution, and Test Closure.

• Each stage has its own set of activities and deliverables to ensure thorough testing of the software.

• For example, in the Test Execution stage, test cases are executed, defects are logged, and regression testing is performed.

• STLC helps in identi...read more

Multiple tech stacks have worked well depending on the project requirements and team expertise.

• MEAN stack for web development

• Java and .NET for enterprise applications

• Python for data science and machine learning

• React Native for mobile app development

• AWS and Azure for cloud infrastructure

• Docker and Kubernetes for containerization and orchestration

SDLC models I know are Waterfall, Agile, Spiral, V-Model, and Iterative.

• Waterfall model is a linear sequential approach

• Agile model is iterative and incremental

• Spiral model combines waterfall and prototyping models

• V-Model emphasizes testing and verification

• Iterative model involves repeating the development cycle

Yes, WhatsApp has a screen share feature.

• WhatsApp introduced the screen share feature in 2020.

• The screen share feature allows users to share their screen during video calls.

• This feature is useful for remote collaboration, presentations, and troubleshooting.

• It enhances the user experience by enabling real-time visual communication.

• The screen share feature is similar to other video chat platforms like Zoom and Microsoft Teams.

To check static UI appearance, I would perform visual testing using tools like Applitools or Selenium.

• Use visual testing tools to compare screenshots of the UI before and after changes

• Check for consistency in font, color, layout, and alignment

• Ensure that all UI elements are visible and not overlapping

• Verify that the UI is responsive and looks good on different screen sizes

• Perform manual checks to ensure that the UI meets design specifications

Agile is iterative and flexible, while Waterfall is linear and rigid.

• Agile focuses on delivering working software in short iterations, while Waterfall follows a sequential approach.

• Agile encourages collaboration and adaptability, while Waterfall emphasizes planning and documentation.

• Agile is better suited for complex and dynamic projects, while Waterfall works well for simple and well-defined projects.

• Agile allows for changes and feedback throughout the project, while Waterfa...read more

Scenario Outline is a feature in Cucumber that allows for parameterization of scenarios.

• It allows for the same scenario to be executed with different sets of data

• Data is provided in a tabular format using Examples keyword

• Variables are defined using angle brackets <> in the scenario outline

• Example: Scenario Outline: Login with valid credentials

Conditional formatting is a feature in spreadsheet applications that allows users to apply formatting based on certain conditions.

• It allows users to highlight cells that meet specific criteria

• It can be used to color-code data based on values or ranges

• It can also be used to apply different font styles or borders based on conditions

• Examples include highlighting cells with values above a certain threshold or cells that contain specific text

Changing permissions for an application involves modifying access levels for users or groups.

• Identify the specific permissions that need to be changed

• Determine which users or groups require access to the application

• Modify the permissions using the appropriate tools or commands

• Test the changes to ensure they are working as expected

I have worked with Uipath version 2019.10.4

• I have experience working with Uipath Studio and Orchestrator in version 2019.10.4

• I have developed and deployed automation workflows using this version

• I am familiar with the features and functionalities of this version

An application to create a visual journey of user's vacations using pictures.

• Allow users to upload pictures and add captions for each vacation

• Provide options to arrange pictures in chronological order

• Include a map feature to show the locations of each vacation

• Allow users to share their journey on social media platforms

CD/CI stands for Continuous Delivery/Continuous Integration, a software development practice to automate the process of testing and deploying code changes.

• CD/CI is a software development practice that involves automating the process of testing and deploying code changes.

• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to the repository.

• Continuous Delivery (CD) involves automatically deploying code changes to production...read more

Debugging is the process of identifying and fixing errors in code, while release is the final version of the software that is ready for distribution.

• Debugging involves finding and fixing errors in code

• Debugging is done in the development environment

• Release is the final version of the software that is ready for distribution

• Release is optimized for performance and stability

• Release is created after debugging is complete

Declarative pipeline is a Jenkins feature that allows defining pipelines using a simple, human-readable syntax.

• Declarative pipeline is based on YAML syntax

• It allows defining pipelines as code

• It provides a simpler and more structured way of defining pipelines compared to Scripted pipeline

• It enforces a strict structure and syntax for defining pipelines

• Declarative pipeline supports parallelism, stages, and steps

• Declarative pipeline can be version controlled and shared across tea...read more

pOM stands for Process Order Management. It is a system used to manage and track the production process of goods.

• pOM helps in creating and managing production orders

• It tracks the progress of each order and ensures timely delivery

• It helps in managing inventory levels and scheduling production

• pOM can be integrated with other systems like ERP and MES

• Example: SAP's Production Planning module is an example of pOM

A container is a lightweight, standalone executable package that contains everything needed to run an application.

• Containers provide a consistent and reproducible environment for applications to run in.

• They are isolated from the host system and other containers, providing security and portability.

• Containers can be easily deployed and scaled, making them ideal for modern application development and deployment.

• Examples of container technologies include Docker, Kubernetes, and O...read more

Our project framework is based on Agile methodology with emphasis on continuous integration and delivery.

• We follow Agile methodology for project management

• We use continuous integration and delivery for faster and efficient development

• We have a well-defined testing process for ensuring quality

• We use tools like JIRA, Jenkins, and Selenium for project management and testing

• We have a dedicated team for automation testing

To start a process in Appian, you can use the 'Start Process' smart service in a process model.

• Create a process model in Appian design environment

• Add a 'Start Process' smart service to the process model

• Configure the smart service to start the desired process

• Trigger the process by initiating the process model

The document development life cycle is the process of creating, reviewing, revising, and publishing documents.

• Planning and research

• Writing and editing

• Review and feedback

• Revision and finalization

• Publishing and distribution

Yes

• Setting security for Sub Microflows is important to ensure data integrity and prevent unauthorized access.

• Sub Microflows may contain sensitive data or perform critical operations, so securing them is crucial.

• Access control can be implemented by defining user roles and permissions for Sub Microflows.

• Authentication and authorization mechanisms should be enforced to restrict access to Sub Microflows.

• Examples of security measures include implementing encryption, input validati...read more

Clean Architecture is a software design principle that separates concerns and promotes testability, maintainability, and scalability.

• Clean Architecture emphasizes separation of concerns by dividing the codebase into layers: Presentation, Domain, and Data.

• Each layer has its own responsibilities and dependencies flow inward, ensuring loose coupling and high cohesion.

• The Presentation layer handles user interactions and UI components.

• The Domain layer contains business logic and u...read more

UI automation scripts are programs that simulate user interactions with a software application's graphical user interface.

• UI automation scripts are used to test the functionality and performance of software applications.

• They can be written in various programming languages such as Java, Python, and C#.

• UI automation scripts can simulate user actions such as clicking buttons, entering text, and navigating menus.

• They can also be used to verify that the application's user interfac...read more

Repository pattern using EF core for data access layer

• Create an interface for the repository with generic CRUD methods

• Implement the repository interface with EF core for data access

• Use dependency injection to inject the repository into services

• Separate concerns by having repositories handle data access logic

CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.

• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code changes, typically triggered by a code commit to the reposi...read more

MVC is a software design pattern that separates an application into three interconnected components: Model, View, and Controller.

• Model represents the data and business logic of the application

• View is responsible for rendering the user interface

• Controller handles user input and updates the model and view accordingly

• MVC promotes separation of concerns and modularity

• Example: ASP.NET MVC framework

Tech stack selection depends on project requirements, team expertise, scalability, and budget.

• Analyze project requirements and choose a stack that fits best

• Consider team expertise and choose a stack that team is comfortable with

• Evaluate scalability requirements and choose a stack that can handle future growth

• Consider budget constraints and choose a stack that is cost-effective

• Research and compare different stacks to make an informed decision

Bug release refers to the process of fixing and deploying a bug-free version of software.

• Bug release involves identifying and fixing bugs in software.

• Once the bugs are fixed, a new version of the software is released.

• The new version is thoroughly tested to ensure that all bugs have been fixed.

• Bug release is an important part of software development as it ensures that the software is bug-free and performs optimally.

• Examples of bug release tools include Bugzilla, JIRA, and GitH...read more

Dialyzer reuse is a process of cleaning and sterilizing dialyzers for multiple uses.

• Dialyzers are cleaned and disinfected after each use.

• The reuse of dialyzers can save costs for patients and healthcare facilities.

• However, it requires strict adherence to cleaning and sterilization protocols to prevent infections.

• Some countries and healthcare facilities do not allow dialyzer reuse due to safety concerns.

Bug lifecycle involves identification, reporting, fixing, retesting, and closing of software bugs.

• Identification: Bug is identified by testers or users through testing or real-world usage.

• Reporting: Bug is reported to developers with detailed information like steps to reproduce.

• Fixing: Developers analyze and fix the bug in the code.

• Retesting: Testers verify the fix to ensure the bug is resolved.

• Closing: Bug is closed once verified and confirmed as fixed.

I follow agile methodology and use version control systems like Git. I also prioritize testing and documentation.

• I follow agile methodology for software development

• I use version control systems like Git to manage code changes

• I prioritize testing and documentation throughout the development process

• I regularly review and refactor code to ensure maintainability

• I collaborate with team members and stakeholders to ensure project success

Yes, I have experience in handling software for warehouse management.

• I have used software systems like SAP, Oracle WMS, and Microsoft Dynamics for inventory management and order processing.

• I am proficient in using barcode scanning software to track and manage inventory.

• I have experience in generating reports and analyzing data using warehouse management software.

• I have also trained and supervised warehouse staff in using software systems effectively.

Quality Control

• QC stands for Quality Control

• It involves ensuring products or services meet specified requirements

• QC activities include inspections, testing, and documentation

• Examples: checking product dimensions, conducting product tests, reviewing quality records

Regression is retesting of previously tested functionality to ensure that changes made to the software have not affected it.

• Regression testing is done to ensure that new changes or fixes have not introduced new bugs or issues.

• It is not necessary to do regression testing on every release, but it should be done on critical functionality or areas that have been changed.

• Regression testing can be done manually or through automation tools like Selenium.

• Examples of regression testin...read more

Dependency injection is a design pattern that allows objects to be loosely coupled by injecting their dependencies.

• Dependency injection is a way to achieve inversion of control in software development.

• It helps in decoupling the code by removing direct dependencies between classes.

• By injecting dependencies, objects can be easily tested and reused.

• Routing refers to the process of determining how an application responds to a specific URL or endpoint.

• In web development, routing i...read more

Handling OOS (Out of Specification) involves investigating the root cause, implementing corrective actions, and documenting the process.

• Identify the OOS result and document it

• Investigate the root cause of the OOS

• Evaluate potential factors that may have contributed to the OOS

• Implement corrective actions to prevent recurrence

• Document the entire investigation process and actions taken

SDLC stands for Software Development Life Cycle. It is a process followed to develop software applications.

• The steps in SDLC include requirements gathering, system design, coding, testing, deployment, and maintenance.

• During requirements gathering, the project manager works with stakeholders to understand their needs and document the requirements.

• In system design, the project manager creates a high-level design of the software, including its architecture and components.

• Coding ...read more

QA stands for Quality Assurance. It is a process that ensures products or services meet specified requirements and standards.

• QA involves monitoring and improving processes to ensure quality standards are met

• It includes activities such as testing, inspection, and auditing

• QA helps identify and prevent defects in products or services

• Examples of QA tools include Six Sigma, Lean, and Total Quality Management

Android Studio is an Integrated Development Environment (IDE) for Android app development.

• Android Studio is developed by Google and is the official IDE for Android app development.

• It provides a user-friendly interface for coding, debugging, and testing Android apps.

• Android Studio includes various tools such as a layout editor, code editor, emulator, and more.

• Before Android Studio, developers used Eclipse with the Android Development Tools (ADT) plugin for app development.

A micrometer is a precision measuring instrument used to measure small distances with high accuracy.

• Micrometers are commonly used in manufacturing and engineering industries.

• They consist of a calibrated screw and a scale, allowing for precise measurements.

• Micrometers are often used to measure the thickness of materials, the diameter of cylindrical objects, or the depth of holes.

• They can measure distances as small as 0.001 millimeters.

• Examples of micrometers include outside mi...read more

Jira is a project management tool used for tracking issues, managing tasks, and organizing workflows.

• Jira is a popular tool developed by Atlassian for agile project management.

• It allows teams to create, assign, prioritize, and track tasks and issues.

• Jira offers customizable workflows, dashboards, and reporting features.

• Users can integrate Jira with other tools like Confluence, Bitbucket, and Slack.

• Examples of Jira features include Kanban boards, Scrum boards, and customizable...read more

SDLC stands for Software Development Life Cycle. Defect Life Cycle is the process of identifying, reporting, and resolving defects in software.

• SDLC is a process followed by software development teams to design, develop, and test high-quality software.

• It includes phases like planning, analysis, design, implementation, testing, and maintenance.

• Defect Life Cycle includes stages like identification, reporting, triage, investigation, resolution, and verification.

• Defects can be rep...read more

Jenkins is an open-source automation server with features like continuous integration, build automation, and deployment.

• Continuous integration and delivery

• Build automation

• Distributed builds

• Extensibility through plugins

• Easy installation and configuration

• Support for various version control systems

• Integration with other tools and services

• Monitoring and reporting

• Security and access control

Release management is the process of planning, scheduling, coordinating, and deploying software releases.

• It involves managing the entire release process from development to deployment

• It ensures that software releases are delivered on time and with high quality

• It involves coordinating with different teams such as development, testing, and operations

• It includes version control, change management, and release automation

• Examples include GitLab, Jenkins, and Microsoft Azure DevOps

FSD stands for Functional Specification Document, which outlines the requirements and functionalities of a software system.

• FSD details the features, functions, and user interactions of the software.

• It serves as a guide for developers to understand what needs to be implemented.

• FSD helps in ensuring that the final product meets the client's expectations.

• Examples of FSD sections include system requirements, use cases, data flow diagrams, and user interface design.

MVVM is an architectural design pattern that separates the UI from the business logic. Data binding is a way to establish a connection between the UI and the data model.

• MVVM stands for Model-View-ViewModel.

• Model represents the data and business logic, View represents the UI, and ViewModel acts as a mediator between the Model and View.

• Data binding is a technique that establishes a connection between the UI components and the data model, allowing automatic updates when the data...read more

Hooks in React are functions that allow you to use state and other React features in functional components.

• useState - allows functional components to have state

• useEffect - allows side effects in functional components

• useContext - allows functional components to access context

• useReducer - alternative to useState for more complex state logic

• useMemo - memoizes a value to prevent unnecessary re-renders

• useRef - allows functional components to access DOM elements or store mutable va...read more

Scaling up an existing project involves optimizing performance, increasing capacity, and improving efficiency.

• Identify bottlenecks and areas for improvement

• Implement caching mechanisms to reduce load times

• Optimize database queries for faster retrieval

• Upgrade hardware or infrastructure to handle increased traffic

• Use load balancing to distribute traffic evenly across servers

Implement a search feature for a website

• Create a search bar on the website

• Implement a search algorithm to match user input with database entries

• Display search results in a user-friendly manner

CI/CD pipelines are automated processes that allow for continuous integration and delivery of software.

• CI/CD stands for Continuous Integration/Continuous Delivery

• CI involves merging code changes into a central repository and running automated tests

• CD involves deploying the code changes to production

• Pipelines can be customized to fit the needs of the development team

• Examples of CI/CD tools include Jenkins, Travis CI, and CircleCI

Code for subtitle syncing application

• Create a function to parse subtitle file and extract time stamps

• Create a function to parse video file and extract time stamps

• Calculate time difference between subtitle and video time stamps

• Adjust subtitle time stamps accordingly

• Output synced subtitle file

Yes, we have a checklist to ensure all files are checked thoroughly.

• We have a standardized checklist that includes all necessary steps for file checking.

• The checklist includes verifying file names, dates, and contents.

• We also check for any errors or discrepancies in the files.

• The checklist is regularly updated to ensure it covers all necessary aspects.

• We have a team responsible for checking the files and ensuring the checklist is followed.

• Examples of items on the checklist in...read more

To publish and run a process without an orchestrator, you can use the UiPath Robot Tray or the command line interface.

• Open the UiPath Robot Tray and navigate to the Processes tab.

• Click on the 'Publish' button to publish the process to a local folder.

• Once published, you can run the process by selecting it from the list and clicking on the 'Start' button.

• Alternatively, you can use the command line interface by navigating to the installation folder of UiPath Robot and running th...read more