Publicis Sapient Senior Platform Associate L1 Interview Questions, Process, and Tips

Q1. Explain bean Lifecyle and scope in SpringBoot.
Ans. 
Bean Lifecycle and scope in SpringBoot refers to the creation, initialization, and destruction of beans along with their visibility and accessibility.
• Bean Lifecycle consists of bean creation, initialization, and destruction phases.

• Bean Scope determines the visibility and accessibility of beans within the application context.

• Common bean scopes in SpringBoot include Singleton, Prototype, Request, Session, and Application
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Q2. You hashmap works internally in Java 8
Ans. 
HashMap in Java 8 uses an array of linked lists to store key-value pairs.
• HashMap uses an array of linked lists to handle collisions

• Each key-value pair is stored in a Node object within the linked list

• Hashing algorithm is used to determine the index of the array where the key-value pair is stored
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Q1. Write a program to remove duplicate from an array
Ans. 
Program to remove duplicates from an array of strings
• Iterate through the array and store unique elements in a new array

• Use a set data structure to efficiently remove duplicates

• Return the new array without duplicates
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Q2. Tell me about project you worked on
Ans. 
I worked on a project to develop a mobile app for tracking fitness goals and progress.
• Researched user needs and preferences for fitness tracking apps

• Designed user interface and user experience for the app

• Collaborated with developers to implement features like goal setting, workout tracking, and progress visualization
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Mostly coding round on collections, problem solving

Q1. Mostly related to Project topics
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Q2. Spring boot, java basics, basic system design
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Q1. Microservices in depth
Ans. 
Microservices are a software architecture pattern where applications are built as a collection of small, loosely coupled services.
• Microservices promote modularity and scalability.

• Each microservice is responsible for a specific business capability.

• Communication between microservices is typically done through APIs.

• Microservices can be developed and deployed independently.

• Examples of microservices include Netflix, Amazon,
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Q1. Fit selection, salary, etc
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