LTIMindtree Senior Software Engineer Interview Questions and Answers for Freshers

Q1. Scenario based SQL puzzle
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Q2. Views, Triggers, Synonyms and window functions
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Q1. Explain microservice architecture and how do we implement that using spring boot
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Microservice architecture is a design approach where an application is composed of small, independent services that communicate over well-defined APIs.
• Break down the application into smaller, loosely coupled services that can be developed, deployed, and scaled independently.

• Each service focuses on a specific business capability and communicates with other services through APIs.

• Spring Boot provides a convenient framewor...read more
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Q2. Explain concurrency, serialization
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Concurrency is the ability of a system to handle multiple tasks simultaneously, while serialization is the process of converting an object into a stream of bytes to store or transmit.
• Concurrency allows multiple tasks to run in parallel, improving performance and responsiveness.

• Serialization is used to save the state of an object or send it over a network.

• Concurrency can be achieved through multithreading or multiproces...read more
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Q3. Internal working principle of hashmap.
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HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a collision occurs and the key-value pairs are stored in a linked list at that inde...read more
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Q4. Annotations on spring boot
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Annotations in Spring Boot are used to simplify the configuration and development of Spring applications.
• Annotations provide metadata about the class, method, or field to the Spring framework.

• They eliminate the need for XML configuration in Spring applications.

• Examples of annotations in Spring Boot include @RestController, @Autowired, @RequestMapping, @Component, etc.
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Q5. Design patterns and solid principle
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Q6. Explain the features of java 8 and java 11
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Java 8 introduced features like lambda expressions, streams, and default methods. Java 11 introduced features like local-variable syntax for lambda parameters and HTTP client API.
• Java 8: Lambda expressions allow functional programming in Java. Streams provide a way to work with collections. Default methods allow adding new methods to interfaces without breaking existing implementations.

• Java 11: Local-variable syntax fo...read more
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Q7. What is Functional interface and way of implementing it
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Functional interface is an interface with only one abstract method, can be implemented using lambda expressions.
• Functional interface has only one abstract method

• Can be implemented using lambda expressions

• Used in Java to achieve functional programming
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Q8. Spring boot global exception handling
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Spring Boot provides a way to handle exceptions globally using @ControllerAdvice and @ExceptionHandler annotations.
• @ControllerAdvice is used to define global exception handling logic.

• @ExceptionHandler can be used to specify the type of exception to handle.

• Example: @ExceptionHandler(ResourceNotFoundException.class) to handle specific exceptions.

• You can return custom response entities using ResponseEntity in the exceptio...read more
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Q1. Tell me something about your self
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Q2. Salary negotiation
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This was an elimination round

Easy to Intermediate Question

Q1. Basic Oops Concepts Data Structures Discussion on Projects Basic Computer Science Questions
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Q1. They have asked javascript basic qustion .make a http request using javascript.plyfills .etc
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Q1. Basic Coding questions on strings and arrays.react hooks usseffect hook etc
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Logical reasoning questions

Basic DSA questions medium Leet code level

Q1. All Java concepts spring framework hibernate jpa related questions
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Q2. Any of one data base related questions
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Q1. Project related questions
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Q2. Managerial related discussion.
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Q3. Behaviour related questions
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Q1. Hr question salary discussion etc
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