Tricom Global Solutions Java Full Stack Developer Interview Questions and Answers

Q1. Why microservices?
Ans. 
Microservices offer scalability, flexibility, and easier maintenance in software development.
• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Microservices enable teams to work on different services simultaneously, promoting faster development and deployment.

• Easier maintenance: With microservices, it's easier to identify and fix i...read more
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Q2. Why you went for microservices in your application
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Q3. Mention about the design patterns you worked so far
Ans. 
I have worked with various design patterns such as Singleton, Factory, Observer, and MVC.
• Implemented Singleton pattern to ensure only one instance of a class exists

• Utilized Factory pattern to create objects without specifying the exact class

• Implemented Observer pattern to establish a one-to-many dependency between objects

• Utilized MVC pattern to separate the concerns of data, presentation, and user input
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Q1. Typical theory questions realted to Java colllection, Java memory management, spring.
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Q1. Questions in this round were more related to nitty gritty of Java and spring, like what will happen if you just overrride equals and not hashcode, what will happend if you swap stereotype annotations,
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Q1. Explaining current project and some easy questions on it. Chit chat about team and working condition
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Q1. In this round someone from a different team that you will be joining will ask technical question of easy to medium degree of difficulty related to Java, angular and spring
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Q1. Typical questions on DOJ salary, wfh etc
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1 question was there to be completed in 1 hour based on Array/String

Q1. Brief Introduction. Then Project Discussion
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It's api round. We have to develop an api and frontend

It's contains 2 coding question and 20 mcqs

Q1. Introduction about your self
Ans. 
I am a Full Stack Software Developer with 5 years of experience in building web applications.
• 5 years of experience in full stack development

• Proficient in languages like JavaScript, HTML, CSS, and frameworks like React and Node.js

• Strong problem-solving skills and ability to work in a team environment
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Q2. What is polling in ca
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Polling in computer science is a technique used to actively check the status of a resource or process at regular intervals.
• Polling involves continuously checking a resource or process for updates or changes.

• It is commonly used in web development to update content on a webpage without refreshing the entire page.

• Polling can be synchronous or asynchronous, depending on the implementation.

• Examples of polling include checki...read more
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GAVE AN ARRAY AND ASKED TO MOVE ZEROES TO THE END AND GROUPBY IN STREAMS JOINS IN SQL

Q1. What technologies you worked with in your last internship
Ans. 
I worked with technologies such as React, Node.js, MongoDB, and AWS in my last internship.
• React

• Node.js

• MongoDB

• AWS
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Q2. Related to pandas in Python
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Q3. Linux commands question
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Asked about the resume and more technical questions about APIS

Q1. Asked technical questions about their requirements skill set
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Karet coding evaluation platform is used

Q1. Technical + coding assessment was there
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Q2. Find max continous sub array with unique elements in an array
Ans. 
Find max continous sub array with unique elements in an array
• Use sliding window approach

• Keep track of unique elements in the window

• Update max length when a duplicate element is found
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Q1. Pure Technical round
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Q1. Typical Managerial round
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Q1. Payscale discussion round
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