MITS GLOBAL CONSULTING Senior Software Engineer Interview Questions and Answers

Q1. The first round was based on general aptitude questions and technical questions based in my skill set.
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Q1. Interview questions were based on dsa and array based questions to be specific. Questions based on string manipulation and other Java related basic to intermediate technical questions.
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Q1. Interview was based on some project related discussion and intermediate level of array based dsa questions. The other questions were related to Spring, Spring boot framework amd other Java related intervie...read more
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Q1. Questions on caching. Consistency
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A set of logical as well as technical mcqs were asked

Q1. Technical one on one round with an experienced professional
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Q1. This was an in-depth technical round where in depth technical know how about the coding language were asked
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Q1. Basic discussion about the company and its features
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Q1. Write code based on situation with proper implementation using Design patterns etc.
Ans. 
Implement a code scenario using design patterns
• Identify the problem statement and requirements

• Choose appropriate design patterns like Singleton, Factory, Observer, etc.

• Implement the code following the selected design patterns

• Test the code for functionality and efficiency
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Q2. Coding question in which you need to write optimize program.
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Q1. Linked list Coding questions
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Q2. Design a database scheme of one of the known website.
Ans. 
Design a database scheme for Amazon website
• Create tables for users, products, orders, reviews, and payments

• Use primary and foreign keys to establish relationships between tables

• Include attributes such as user_id, product_id, order_id, review_id, and payment_id

• Implement indexes for faster data retrieval

• Consider denormalization for performance optimization
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Q1. Salary discussion
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Q1. How many type of authentication can be implemented
Ans. 
There are multiple types of authentication that can be implemented, including password-based, token-based, biometric, and multi-factor authentication.
• Password-based authentication: Users authenticate themselves using a password.

• Token-based authentication: Users authenticate themselves using a token, such as a one-time password or a security key.

• Biometric authentication: Users authenticate themselves using their unique ...read more
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Q1. Develop springboot api for a given table
Ans. 
Develop a Spring Boot API for a given table
• Create a Spring Boot project with necessary dependencies

• Define entity class representing the table

• Create a repository interface extending JpaRepository

• Implement service layer with business logic

• Create REST controller with CRUD operations
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Mixed conceptual questions from java8, Spring Boot and SQL and microservices

Q1. One round technical question and coding on Java, Java 8, Spring boot,Rest webservices, SQL. Code for rest API using jpa for CRUD.
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Q2. Singleton pattern for thread safety .
Ans. 
Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.
• Use lazy initialization to create the instance only when needed.

• Use synchronized keyword to make the getInstance() method thread-safe.

• Consider using double-checked locking for better performance.

• Use enum to implement singleton pattern as it is inherently thread-safe.
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Q3. Linked list implementation
Ans. 
Linked list is a data structure where each element points to the next element in the sequence.
• Nodes contain data and a reference to the next node

• Insertion and deletion can be done efficiently in a linked list

• Traversal starts from the head node and follows the next pointers
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Q1. Parenthesis balancing question
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Q2. Caching in Hibernate
Ans. 
Caching in Hibernate improves performance by storing frequently accessed data in memory.
• Hibernate supports first-level cache at session level

• Second-level cache can be configured at session factory level

• Caching strategies include read-only, read-write, and transactional

• Cache providers like Ehcache, Infinispan, and Hazelcast can be used
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Q3. Maven scope questions
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Q4. Ci and CD concept
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Q1. Salary negotiation
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