ZeMoSo Technologies Interview Questions, Process, and Tips

Simple coding questions and technical questions

Q1. Questions about the java programming language
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Q2. Question on spring frameworks
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Q1. Sql query to find 2nd largest salary
Ans. 
Use SQL query with ORDER BY and LIMIT to find 2nd largest salary.
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 1,1 to get the second row after skipping the first row
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Q2. High level system design for a movie booking app
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A movie booking app system design involves user authentication, movie selection, seat reservation, payment processing, and booking confirmation.
• User authentication: Implement login/signup functionality for users.

• Movie selection: Display list of movies with details like showtimes, ratings, and genres.

• Seat reservation: Allow users to select seats for chosen movie showtime.

• Payment processing: Integrate payment gateway for...read more
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45 min of mcq question on java and reasoning and aptitude.

Q1. All question from java spring boot, microservices and rest api along with some basic design of database.
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Q1. Brief about Java 8 with example
Ans. 
Java 8 introduced new features like lambda expressions, streams, and functional interfaces.
• Lambda expressions allow concise syntax for defining anonymous functions.

• Streams provide a way to work with collections in a functional style.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Example: Lambda expression - (a, b) -> a + b

• Example: Stream usage - List names = Arrays.asList("A...read more
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Q1. What are spring components
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Spring components are reusable software building blocks managed by the Spring framework.
• Spring components are Java classes annotated with @Component or its specialized annotations like @Service, @Repository, @Controller.

• These components are managed by the Spring IoC container and can be injected into other components using @Autowired annotation.

• Spring components promote code reusability, modularity, and maintainability
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Case study with a scenario based question, and further discussions on the basis of same.

Q1. Provide solution to case study with utmost care as it will be the backbone for later one on one rounds
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Q2. Cross questioning in solution and wireframes you made
Ans. 
I always cross-question my solutions and wireframes to ensure they meet the requirements and are user-friendly.
• I review the wireframes and solutions multiple times to ensure they align with the product goals and user needs.

• I seek feedback from stakeholders and users to identify any potential issues or areas for improvement.

• I make necessary adjustments to the wireframes and solutions based on the feedback received.

• I con...read more
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Q1. Questions on caching. Consistency
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Spending sometime on Leetcode would help to crack coding test.

Q1. Technical round was very innovative to test hands on experience of candidates.
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