Deloitte Vapt Engineer Interview Questions, Process, and Tips

Q1. Difference between inheritance and polymorphism
Ans. 
Inheritance is a way to create a new class using properties and methods of an existing class, while polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Inheritance promotes code reusability and reduce...read more
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Q2. Write a code to check anagram or not
Ans. 
Code to check if two strings are anagrams
• Create a function that takes in two strings as input

• Convert both strings to lowercase and remove any spaces

• Sort both strings and compare if they are equal to determine if they are anagrams
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Few basics of java
Dsa question

Q1. Java multithreading questions
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Q2. Spring boot questions.
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Q1. Tell me about yourself
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I am a dedicated and detail-oriented Junior Engineer with a passion for problem-solving and continuous learning.
• Graduated with a degree in Engineering from XYZ University

• Completed internships at ABC Company, gaining hands-on experience in project management

• Proficient in CAD software and technical drawing
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Q2. Diagram of water treatment
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Water treatment involves a series of processes to remove impurities and make water safe for consumption.
• Water treatment typically involves processes such as coagulation, sedimentation, filtration, and disinfection.

• Coagulation involves adding chemicals to water to make particles clump together for easier removal.

• Sedimentation allows the larger particles to settle at the bottom of a tank.

• Filtration involves passing water...read more
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Q1. Personal details
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Q2. Why you want to join
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I want to join because I am passionate about engineering and eager to learn and grow in a dynamic environment.
• Passionate about engineering

• Eager to learn and grow

• Excited about working in a dynamic environment
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Code test on Codility

Q1. How NodeJs handles concurrency
Ans. 
NodeJs handles concurrency using event-driven, non-blocking I/O model.
• NodeJs uses event loop to handle multiple requests concurrently.

• It utilizes asynchronous functions to avoid blocking the main thread.

• NodeJs supports callbacks, promises, and async/await for managing asynchronous operations.
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Q2. Event Loop, Single Threaded
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Q1. Your day to day activities, Roles and Responsibilities
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Dsa questions like search sort

Q1. .net questions, web api
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Q1. Lifecycle hooks of Angular
Ans. 
Angular lifecycle hooks are methods that allow you to tap into specific points in a component's lifecycle.
• ngOnChanges: called when an input property changes

• ngOnInit: called once the component is initialized

• ngDoCheck: called during every change detection run

• ngAfterContentInit: called after content (ng-content) has been projected into the component

• ngAfterContentChecked: called after every check of the projected content

• ng...read more
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Q2. SOLID principles
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Q1. Questions on SQL
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Q1. Introduction and basic questions
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