Draup Sde1 Interview Questions and Answers

Q1. Angular A to Z Hooks,Services,Api Integration,component communication
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Q2. Html ,CSS basic
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Q1. Server and web api related questions
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Q1. Can you provide details about yourself and your educational background?
Ans. 
I am a software engineer with a Bachelor's degree in Computer Science and experience in developing web applications.
• Bachelor's degree in Computer Science

• Experience in developing web applications
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Q2. About Winjit technologies
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Q1. Starts with a introduction, Core Java concepts, OOPS concepts, Singleton design pattern, Spring boot annotations like service, restcontroller.
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Q2. DSA logical questions like 2nd highest number. How to find missing number from an array.
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Q1. Tell me about yourself.
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Bachelor's degree in Computer Science from XYZ University
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Q2. Tell me about your family.
Ans. 
I come from a close-knit family of five, including my parents, older sister, and younger brother.
• Close-knit family of five

• Parents, older sister, and younger brother

• We enjoy spending time together traveling and trying new restaurants
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Q3. Why do you want to change the company
Ans. 
Seeking new challenges and opportunities for growth in a different environment.
• Desire for new challenges and learning opportunities

• Seeking a better work-life balance

• Interested in working with new technologies or industries

• Looking for a more collaborative team environment
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Q4. After that interviewer describes my work and position in the company.
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Focusing on moderate level patterns

Q1. Discuss object oriented principles in depth
Ans. 
Object oriented principles are fundamental concepts in software development that focus on organizing code into objects with properties and behaviors.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a new class to inherit properties and behaviors from an existing class.

• Polymorphism: The ability for objects of different classes to respond to the same message in di...read more
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Q2. Deep discuss of interface
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Q3. Deep discuss of exception, multithreading
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Q4. Deep discuss of oop
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Q1. Asked some tricky question related to real life problems
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Leet code medium level question

Q1. About Java Streams
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Q2. Restful API coding completion based on given file
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Q1. To check your attitude
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Q2. Given detailed about company and what project you are going to work on?
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Q1. Hashmap working
Ans. 
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hashmap uses a hashing function to map keys to indices in an array.

• It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.

• Example: HashMap<String, Integer> map = new HashMap<>(); map.put("key", 123); int value = map.get("key");
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Q2. Multithreading cases
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Q3. Scenario specific on how to handle multiple events on a single variable to have accurate result
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Q4. Database indexing
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Q5. Architecture level
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Array questions - rearranging letters for encryption

Q1. Introduce yourself and your experience in college.
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Q2. Database and sql related questions
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Q1. Springboot notations
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Q2. How to handle multiple request on springboot
Ans. 
Use thread pooling and asynchronous processing to handle multiple requests efficiently in Spring Boot.
• Implement thread pooling to manage multiple requests concurrently.

• Use asynchronous processing to handle requests without blocking the main thread.

• Consider using reactive programming with Spring WebFlux for better scalability.

• Optimize database queries and external API calls to reduce response times.

• Implement caching mec...read more
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Q1. What is server and abap server
Ans. 
A server is a computer or software that provides functionality for other programs or devices. ABAP server is a server that runs ABAP programs.
• A server is a computer or software that provides services or resources to other computers or programs.

• ABAP server is a server that runs ABAP (Advanced Business Application Programming) programs, commonly used in SAP systems.

• ABAP server handles requests from clients and executes A...read more
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Leetcode Medium Type Questions

Q1. Design a Online System to book Salon Professionals like Urban Company.
Ans. 
Design an online system to book salon professionals like Urban Company.
• User registration and login system

• Search functionality to find salon professionals based on location, services offered, ratings, etc.

• Booking system with calendar availability and payment integration

• Review and rating system for users to provide feedback on salon professionals

• Notification system for booking confirmations, reminders, and updates
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