Publicis Sapient Senior Platform Associate L2 Interview Questions and Answers

It was a concept and coding test, with MCQs. Very simple and straightforward.

Q1. Talk about SOLID Principles
Ans. 
SOLID principles are a set of five design principles in object-oriented programming to 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...read more
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Q2. Design pattern that you have used.
Ans. 
I have used the Singleton design pattern in my previous projects.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• It is useful when you want to control the number of instances that can be created.

• Example: Creating a Logger class that should have only one instance throughout the application.
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Q3. Talk about Concurrent API
Ans. 
Concurrent API allows multiple tasks to be executed simultaneously, improving efficiency and performance.
• Concurrent API enables parallel processing of multiple requests at the same time.

• It helps in reducing latency and improving overall system performance.

• Examples include Java's CompletableFuture class for asynchronous programming and Node.js's cluster module for parallel processing.
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Q1. Java coding, testing and other questions
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Q2. React playground code solving
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Java 8 , design patterns ,spring

Rest API design catalog design

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Q1. Java 11 coding thread jvm spring boot hibernate microservices Kafka
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Q1. Why join where see after 5
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Java 8 , multithread, design pattern,docker

Rest api implement and run

Q1. Java 8,core java, Solid, 12 factor app, docker, jenkins, K8s, db query
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Q1. Map, query, stream api, binary search coding question, hinernate, Spring boot, kafka, aws
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Q1. Scenario based question, system design
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Q1. Hr Discussion salary
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