HashedIn by Deloitte Interview Questions, Process, and Tips

Q1. Reverse of string using java 8
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Q2. Project related questions
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Q3. Why redis is not used in backend database?
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Q1. Basics concepts of Python, SQL, Spark. Few questions to write on the notepad also.
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Q1. In dept discussion on spark, scenario based questions. Questions on Data Warehouse also.
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Simple DSA problems on arrays and strings.
2 questions of coding and then questions about oops and previous projects along with some sql queries.

Q1. System Design interview. Asked to make a DB schema and further design a lending application.
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Q1. Just a general one on one conversation with the project manager to know about your conversational capabilities and further plans ahead.
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Coding test of medium to hard difficulty.

Q1. What is multiple inheritance
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Multiple inheritance is a feature in object-oriented programming where a class can inherit attributes and methods from more than one parent class.
• Allows a class to inherit attributes and methods from multiple parent classes

• Can lead to the Diamond Problem where ambiguity arises if two parent classes have a method with the same name

• Languages like C++ support multiple inheritance
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Q2. What is abstraction and encapsulation
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Abstraction is the concept of hiding complex implementation details and showing only the necessary information. Encapsulation is bundling data and methods that operate on the data into a single unit.
• Abstraction focuses on what an object does rather than how it does it

• Encapsulation restricts access to some of an object's components, protecting the object's integrity

• Abstraction allows for creating simple interfaces for c...read more
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