ZINFI Technologies Junior Software Engineer Interview Questions and Answers

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Q1. Introduction OPPs concept Multithrading Constructor Sql queries
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Online test consisting of Aptitude, coding, oral and written communication skills.

Q1. About REST APIs
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Q2. Projects in detail
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I have worked on various projects including a web application for a small business and a mobile app for a non-profit organization.
• Developed a web application using HTML, CSS, and JavaScript for a small business to manage their inventory and sales.

• Created a mobile app using React Native for a non-profit organization to raise awareness about their cause and collect donations.

• Collaborated with a team of developers to impl...read more
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Q3. What is OOPs and it's pillars ?
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OOPs stands for Object-Oriented Programming and its pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides the complex implementation details and only shows the necessary features.

• Polymorphism allows objects to be treat...read more
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Q4. TLS/SSL with OSI model and Spam email related questions ?
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Q5. Security measures in your project ?
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Implemented security measures include encryption, authentication, and regular security audits.
• Implemented encryption for sensitive data to prevent unauthorized access

• Utilized authentication mechanisms such as password protection or multi-factor authentication

• Conducted regular security audits to identify and address vulnerabilities

• Implemented role-based access control to restrict access to certain features or data
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Q1. OOPs in detail with Inheritance, polymorphism, interface and abstract class ?
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OOPs is a programming paradigm based on the concept of objects, with features like inheritance, polymorphism, interfaces, and abstract classes.
• Inheritance allows a class to inherit properties and behavior from another class. For example, a 'Car' class can inherit from a 'Vehicle' class.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass. For example, a 'Shape' superclass can...read more
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Q2. SQL Query on given tables
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Q3. 1 Coding question for me it was sorting
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Q4. Memory related stuffs
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Q5. Try catch block and garbage collection
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Try catch block is used for error handling, while garbage collection is automatic memory management in programming.
• Try catch block is used to handle exceptions in code and prevent crashes.

• Garbage collection automatically manages memory by deallocating unused objects.

• Example: try { // code that may throw an exception } catch (Exception e) { // handle the exception }

• Example: Garbage collection in Java automatically deall
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Q1. Will revolve around your communication skills, Expectations, project, real-time situations, Riddles and few aptitudes
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Q1. Will consist of everything from technical, HR type and overall fitment to the organization
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Q1. They check your knowledge according to job role
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Q2. I have prepared python, big data tech, machine learning, cloud.
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Q3. They ask about data structure
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Q1. Tell me something about past experience.
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Q2. About your self
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Fine able to clear easy which you learn basics

Try more problems and complex coding and skills

The shared one file of assignment we need to solve it and send back to them

Q1. Introduction OPPs concept Multithrading Constructor Sql queries
Add your answer