Interview Questions and Answers

Yes, I have worked on cloud technology and have knowledge of cloud architecture.

• I have experience working with cloud platforms such as Amazon Web Services (AWS) and Microsoft Azure.

• I have designed and implemented scalable and highly available cloud-based solutions.

• I am familiar with cloud architecture patterns like microservices, serverless computing, and containerization.

• I have utilized cloud services like Amazon S3 for storage, AWS Lambda for serverless computing, and AWS E...read more

Design process for new client requirements and technology decisions

• Gather requirements from client

• Analyze requirements and identify potential solutions

• Evaluate technologies and choose the best fit

• Create a design document outlining the solution

• Develop a prototype or proof of concept

• Test and refine the solution

• Implement and deploy the solution

• Provide ongoing support and maintenance

The backend technologies used are Java, Spring Boot, and MySQL. The front end technologies used are Angular and TypeScript.

• Backend: Java

• Backend Framework: Spring Boot

• Database: MySQL

• Frontend: Angular

• Frontend Language: TypeScript

Spring framework is used for dependency injection, MVC architecture, and easy integration with other frameworks.

• Enables loose coupling between components

• Provides support for transaction management

• Offers easy integration with other frameworks like Hibernate

• Follows the Model-View-Controller (MVC) architecture

• Simplifies testing with its built-in testing features

AngularJS has several components including directives, controllers, services, filters, and templates.

• Directives - extend HTML with new attributes and elements

• Controllers - handle user input and manipulate data

• Services - provide functionality across the app

• Filters - format data for display

• Templates - define the user interface

Full join combines rows from both tables, including unmatched rows. Union combines rows from both tables, excluding duplicates.

• Full join includes all rows from both tables, filling in NULL values for unmatched rows.

• Union combines rows from both tables, excluding duplicates.

• Example: SELECT * FROM table1 FULL JOIN table2 ON table1.id = table2.id;

• Example: SELECT * FROM table1 UNION SELECT * FROM table2;

Inner join returns only the matching rows between two tables, while outer join returns all rows from one table and matching rows from the other.

• Inner join: returns rows that have matching values in both tables

• Outer join: returns all rows from one table and matching rows from the other

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table2 ON table1.id = table2.id

Transpiling is the process of converting code written in one programming language to another.

• Transpiling is often used to convert code written in newer versions of a language to older versions that are more widely supported.

• It can also be used to convert code written in one language to another, such as TypeScript to JavaScript.

• Transpiling is different from compiling, which converts code to machine language.

• Popular transpilers include Babel for JavaScript and TypeScript Compil...read more