Scadea Solutions Senior Java Developer Interview Questions and Answers

Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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Q1. What are the design patterns in c#
Ans. 
Design patterns in C# are reusable solutions to common problems in software design.
• Some common design patterns in C# include Singleton, Factory, Observer, and Strategy.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency betwee...read more
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It was an aptitude test consisting of 40 questions in 30 minutes.

There were coding questions
1.) Find the sum of 4 largest no in an array.
2.)find area of the largest rectangle in a histogram.
3.)Sudoko challenge

3 Questions of mid difficulty

2 questions of mid to hard difficulty

Q1. Basic DSA and problem solving related questions
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Q2. How to design and implement a dictionary application
Ans. 
Design and implement a dictionary application for easy word lookup
• Define data structure to store words and their meanings

• Implement search functionality to look up words quickly

• Include features like word suggestions, synonyms, and antonyms

• Allow users to add new words and meanings to the dictionary

• Consider implementing a user-friendly interface for easy navigation
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Online Test where there is total 8 question from which 2 is program and 6 is MCQ.

Q1. Technical Interview. Asked about tell me about yourself, biggest problem faced you have faced in your career. Basic Python, OOPS concepts, Sql query, Django Questions, One online program
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Q1. One to One Round with CTO.
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Q1. Have you use AWS lambda.
Ans. 
Yes, I have experience using AWS Lambda for serverless computing.
• I have developed serverless applications using AWS Lambda functions.

• I have integrated AWS Lambda with other AWS services like API Gateway, S3, and DynamoDB.

• I have experience writing Lambda functions in languages like Node.js, Python, and Java.

• I have used AWS SAM (Serverless Application Model) to deploy and manage Lambda functions.
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Write a program to check given no is prime number or not

Level of aptitude is easy

In this selected role question is asked suppose I applied in .net then coding must in c#

Aptiude test on their platform

Coding question on array