Kinfotech Interview Questions and Answers

100 marks 1.30 hour python , SQL

Q1. Tell me the brief explanation of python
Ans. 
Python is a high-level, interpreted, and general-purpose programming language known for its simplicity and readability.
• Python is dynamically typed, meaning you don't have to declare variable types.

• It supports multiple programming paradigms like procedural, object-oriented, and functional programming.

• Python has a large standard library and a vibrant community, making it easy to find solutions and libraries for various t...read more
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Q2. What are the benefits of using python language
Ans. 
Python is a versatile and easy-to-learn programming language with a wide range of applications.
• Simple and readable syntax makes it easy to learn and use

• Extensive standard library with built-in modules for various tasks

• Support for multiple programming paradigms like procedural, object-oriented, and functional programming

• Great for data analysis, machine learning, web development, automation, and more
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Q3. Is python compile language or interpreted language
Ans. 
Python is an interpreted language.
• Python is not compiled into machine code before execution, instead it is interpreted line by line at runtime.

• This allows for easier debugging and dynamic typing.

• Examples of interpreted languages include Python, JavaScript, and Ruby.
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Q1. Core Java, spring boot ,hibernate, rest api
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Q1. What are JDK, JRE & JVM? Signify public static void main (String [] args). Difference between ArrayList and LinkedList?
Ans. 
JDK is Java Development Kit, JRE is Java Runtime Environment, and JVM is Java Virtual Machine. public static void main (String [] args) is the entry point of a Java program. ArrayList and LinkedList are both implementations of the List interface in Java, but ArrayList uses a dynamic array for storing elements while LinkedList uses a doubly linked list.
• JDK (Java Development Kit) is a software development kit used for de...read more
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Q1. Advantages of Spring Boot framework? Annotations in Spring or Spring Boot? What are Primary key and foreign key in SQL? What is @Qualofier in Spring Boot?
Ans. 
Spring Boot framework provides rapid development, easy configuration, and built-in features. Annotations simplify development. Primary key uniquely identifies a record in a table, foreign key establishes a relationship between tables. @Qualifier in Spring Boot is used to specify which bean to autowire.
• Spring Boot offers rapid development, easy configuration, and built-in features like embedded servers.

• Annotations in Sp...read more
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Q1. What are your strengths and weaknesses? How would you handle pressure in your professional life?
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Aithmetic and verbal and non verbal

Coding test has 3 to 4 code on codebytes