ConvergeSol Software Developer Interview Questions, Process, and Tips for Experienced

Q1. Simple screening ask questions about work Experience.
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Q2. On what technology and version you worked?
Ans. 
I have worked on various technologies including Java, Python, and JavaScript. I have experience with versions ranging from Java 8 to Java 14.
• Worked on Java 8, 11, and 14 for developing enterprise applications

• Developed web applications using Python 3 and Flask framework

• Used JavaScript and React for building user interfaces

• Experience with version control systems like Git and SVN
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Q3. Why leaving current job?
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Create a form with out any postback which will search data and display it into a table from database on click of search button. Also give a form reset button.

Q1. Tell me about your last project and design pattern used?
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Q2. What is authorization and authentication?
Ans. 
Authorization is the process of granting access to specific resources, while authentication is the process of verifying the identity of a user.
• Authentication confirms the identity of a user through credentials such as username and password, biometrics, or tokens.

• Authorization determines what actions a user can perform on a system or resource based on their authenticated identity.

• Examples of authentication include loggi...read more
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Q3. What is jwt token?
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JWT token is a JSON web token used for authentication and authorization purposes.
• JWT token is a compact, URL-safe means of representing claims to be transferred between two parties.

• It is digitally signed and can be verified by the recipient to ensure that the claims contained in the token are genuine.

• It consists of three parts: header, payload, and signature.

• JWT token is commonly used in web applications for user authe...read more
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Q4. What are interfaces give real life example to use them?
Ans. 
Interfaces define a contract for classes to implement. They are used to achieve abstraction and polymorphism.
• Interfaces allow for loose coupling between classes

• They provide a way to achieve multiple inheritance in Java

• Real-life example: USB port - different devices can be plugged into the same port because they all adhere to the USB interface

• Another example: Remote control - different TV brands can be controlled by the...read more
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Q5. What is Dependency injection?
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Dependency injection is a design pattern that allows objects to receive dependencies from an external source rather than creating them themselves.
• Dependency injection helps to decouple the code and makes it more testable and maintainable.

• It allows for easier swapping of dependencies without changing the code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• ...read more
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