Celebal Technologies Interview Questions, Process, and Tips

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Q1. Explain the OOPs concept
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OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs focuses on creating objects that interact with each other to solve problems.

• Key principles of OOPs include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation involves bundling data and methods that operate on the data into...read more
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Q2. What are solid principles
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SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its sub...read more
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Q1. Most questions were from Project, how do you handle incremental pipelines, basic pyspark questions on optimisation , python coding question from DSA(medium level) , Sql view ,CTE, Window funxlctions , proc...read more
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Q1. Most questions on technologies mentioned in resume, pyspark, sql , database, hadoop, spark, what are optimisation techniques in spark, what id DAG , hadoop architecture, spark architecture, Questions on Hi...read more
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