Trendlyne Technologies React Js Frontend Developer Interview Questions and Answers

Coding snippets and object oriented concepts

Q1. What is oops concepts what is difference between get and post
Ans. 
OOPs concepts refer to Object-Oriented Programming concepts like inheritance, encapsulation, polymorphism, and abstraction. GET and POST are HTTP methods used for sending data to a server.
• OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data...read more
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Q2. What is inheritance and polymorphism
Ans. 
Inheritance is a mechanism in OOP where a class inherits properties and behaviors from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows a class to inherit attributes and methods from another class, promoting code reusability.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass, enabling flexibil...read more
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Q3. What is annotations ,
Ans. 
Annotations are metadata added to code to provide additional information or instructions.
• Annotations are used in Java to provide metadata about classes, methods, variables, etc.

• They can be used for documentation purposes, code analysis, or to generate code.

• Examples include @Override, @Deprecated, and @SuppressWarnings annotations.
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Q4. What is rest Controller
Ans. 
A rest controller is a component in a web application that handles incoming HTTP requests and returns appropriate responses.
• Handles HTTP requests and maps them to appropriate handler methods

• Typically used in RESTful web services to implement CRUD operations

• Can be implemented using frameworks like Spring MVC in Java
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Q5. What is hash map?
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A hash map is a data structure that stores key-value pairs and allows for efficient retrieval of values based on their keys.
• Hash maps use a hash function to map keys to indexes in an array, where the corresponding values are stored.

• They offer constant-time average case complexity for inserting, deleting, and searching for elements.

• Examples of hash map implementations include HashMap in Java and unordered_map in C++.
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Q1. Why you want to switch
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire to work on new technologies and projects

• Opportunity for career advancement

• Seeking a better work-life balance

• Interested in a different company culture or team dynamic
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Q1. Banking and mortgage industry questions. Us mortgage industry, Loan process and life cycle. Loan types
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Q1. Mortgage related questions.
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Q1. Behavioural questions
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q1. Related to previous job, and other common interview questions
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Objective test based upon amplitude mental ability questions.

Q1. Second round would be a Personal interview with Team leader and if selected then a PI with Manager
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Q2. Why you want to join better?
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Q3. Can a model like better execute in Indian Market?
Ans. 
Yes, a well-designed model can better execute in the Indian market.
• A model that takes into account the unique characteristics of the Indian market can perform better.

• Factors such as cultural nuances, language, and consumer behavior should be considered.

• For example, a model that incorporates regional languages and dialects can better connect with consumers.

• Similarly, a model that accounts for the importance of family an...read more
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Q1. What is Fannie Mae? What is Freddie Mac? Explain and Difference between the two.
Ans. 
Fannie Mae and Freddie Mac are government-sponsored enterprises that provide liquidity to the mortgage market.
• Fannie Mae and Freddie Mac buy mortgages from lenders and package them into securities that are sold to investors.

• Fannie Mae was created in 1938 and Freddie Mac in 1970.

• Fannie Mae is a nickname for the Federal National Mortgage Association and Freddie Mac is a nickname for the Federal Home Loan Mortgage Corpora...read more
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