smartData Enterprises Full Stack Developer Interview Questions and Answers for Experienced

Q1. Project based backend and frontend
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Q2. How to connect to backend
Ans. 
To connect to the backend, you can use APIs, database connections, or web services.
• Use APIs to send and receive data between the frontend and backend

• Establish database connections to retrieve and store data

• Utilize web services for communication between different systems
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Q1. How to create restful api
Ans. 
To create a RESTful API, you need to define endpoints, use HTTP methods, handle requests and responses, and follow REST principles.
• Define endpoints for different resources (e.g. /users, /products)

• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Handle requests and responses in JSON format

• Follow REST principles like statelessness, uniform interface, and client-server architecture
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Q2. How pagination work in jpa
Ans. 
Pagination in JPA allows for retrieving a subset of results from a query.
• Use the setFirstResult() method to specify the starting index of the results to retrieve

• Use the setMaxResults() method to specify the maximum number of results to retrieve

• Combine setFirstResult() and setMaxResults() to implement pagination in JPA queries
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Q1. How to create restfull api
Ans. 
To create a RESTful API, define endpoints, use HTTP methods, handle requests and responses, and follow REST principles.
• Define endpoints for different resources (e.g. /users, /products)

• Use HTTP methods (GET, POST, PUT, DELETE) for CRUD operations

• Handle requests and responses in JSON format

• Follow REST principles like statelessness, uniform interface, and client-server architecture
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Q2. How to do pagination in jpa
Ans. 
Pagination in JPA allows fetching a subset of results from a query.
• Use the setFirstResult() method to set the starting index of the results to retrieve

• Use the setMaxResults() method to set the maximum number of results to retrieve

• Combine setFirstResult() and setMaxResults() to implement pagination
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Q1. What is use of ng-content ?.
Ans. 
ng-content is used in Angular to project content into a component's template.
• ng-content is used to pass content into a component from the outside.

• It allows for dynamic content insertion within a component's template.

• ng-content is often used in combination with ng-template and ng-container.

• It is commonly used for creating reusable components with varying content.
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Q1. Can you provide your introduction?
Ans. 
I'm a passionate software developer with expertise in full-stack development and a keen interest in innovative technologies.
• Education: Bachelor's degree in Computer Science from XYZ University.

• Experience: 3 years of experience in developing web applications using React and Node.js.

• Projects: Developed an e-commerce platform that increased sales by 30% within the first quarter.

• Skills: Proficient in JavaScript, Python, an...read more
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Q2. Can you tell me about yourself?
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C,c++,java ,SQL, javascript and python

Q1. Types of Polymorphism
Ans. 
Polymorphism in programming refers to the ability of a single function or method to operate on different data types.
• There are two main types of polymorphism: compile-time (static) polymorphism and run-time (dynamic) polymorphism.

• Compile-time polymorphism is achieved through function overloading and operator overloading.

• Run-time polymorphism is achieved through inheritance and virtual functions.

• Example of compile-time p...read more
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