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LTIMindtree Java Developer Interview Questions and Answers
35 Interview questions
Static is used to define class-level variables and methods, while final is used to define constants that cannot be changed.
Static variables belong to the class itself, while final variables are constants that cannot be modified.
Static methods can be called without creating an instance of the class, while final methods cannot be overridden.
Static keyword is used for memory management, while final keyword is used fo...
ArrayList is a dynamic array that can grow or shrink in size, while HashMap is a key-value pair collection where each element is accessed by a key.
ArrayList stores elements in an ordered sequence and allows duplicate values.
HashMap stores key-value pairs and does not allow duplicate keys.
Example: ArrayList<String> list = new ArrayList<>(); HashMap<String, Integer> map = new HashMap<>();
To create an immutable class in Java, make the class final, make all fields private and final, provide only getters, and don't provide setters.
Make the class final to prevent inheritance.
Make all fields private and final to prevent modification.
Provide only getters to access the fields.
Don't provide setters to modify the fields.
REST API is a type of web service that allows communication between different systems over HTTP.
REST stands for Representational State Transfer
Uses standard HTTP methods like GET, POST, PUT, DELETE
Data is transferred in JSON or XML format
Stateless communication between client and server
Example: Twitter API, Google Maps API
What people are saying about LTIMindtree
Collections in Java are frameworks that provide an architecture to store and manipulate a group of objects.
Collections provide interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) to store and manipulate groups of objects.
Collections offer methods to add, remove, and retrieve elements from the group.
Examples include ArrayList, LinkedList, HashSet, TreeSet, HashMap, TreeMap.
LTIMindtree Java Developer Interview Experiences
33 interviews found
Anonymous
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
First round is quit easy
2 coding question based on dsa
(2 Questions)
- Q1. Explain different phases of sdlc
- Q2. 4 paillers of datastructure.
- Ans.
The 4 pillars of data structure are arrays, linked lists, stacks, and queues.
Arrays: Data structure that stores a collection of elements with a fixed size.
Linked Lists: Data structure where each element points to the next element in the sequence.
Stacks: Data structure that follows the Last In First Out (LIFO) principle.
Queues: Data structure that follows the First In First Out (FIFO) principle.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 3 interview rounds.
A test of a combination of aptitude, tech questions and coding.
(2 Questions)
- Q1. What is JVM? what is JIT
- Ans.
JVM stands for Java Virtual Machine, which is an abstract computing machine that enables a computer to run Java programs. JIT stands for Just-In-Time compiler, which compiles Java bytecode into native machine code at runtime for improved performance.
JVM is responsible for executing Java programs by converting Java bytecode into machine code that can be understood by the computer's operating system.
JIT is a component of...
- Q2. Create a rest service using spring boot
(2 Questions)
- Q1. When can you join?
- Q2. What's your salary expectation?
Interview Preparation Tips
In my opinion, if they do not want to go ahead, they should go through the whole process. They should reject at the first level itself.
Skills evaluated in this interview
Coding question and mcq
(4 Questions)
- Q1. Oops , spring boot & Microservice questions
- Q2. Collection hierarchy
- Q3. Microservice architecture
- Q4. Rest api questions
I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.
(5 Questions)
- Q1. Callable vs runnable?
- Ans.
Callable is used to return a result and can throw checked exceptions, while Runnable is used for void operations.
Callable can return a result and throw checked exceptions, while Runnable cannot.
Callable is a functional interface with a method call() that returns a result, while Runnable is a functional interface with a method run() that does not return a result.
Example: Callable<Integer> task = () -> { return 5 +...
- Q2. Functional interface
- Q3. Java 8 features
- Q4. Solid principle
- Q5. Which design pattern to use for complex design?
Skills evaluated in this interview
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. Tell me about your self.
- Q2. Why do you join this company.
- Q3. What is java
- Q4. What is Oops concepts in java.
- Q5. What is an encapsulation.
- Q6. Difference between python and java.
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is java
- Q2. What is final
- Ans.
In Java, 'final' is a keyword used to declare constants, prevent method overriding, and restrict inheritance.
Final variables cannot be reassigned once initialized. Example: final int x = 10;
Final methods cannot be overridden by subclasses. Example: final void display() {}
Final classes cannot be subclassed. Example: final class Constants {}
(2 Questions)
- Q1. SOLID, OOPS, Stream API probs, JAVA 8 feature
- Q2. Spring boot annotations- stereotype, microservices- saga pattern
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Transient in java, Design pattern, Abtract factory design pattern
- Q2. Map vs flatmap in java 8, Volatile keyword,
- Ans.
Map applies a function to each element in a stream, while flatMap applies a function that returns a stream for each element.
Map transforms each element in a stream using a function, returning a new stream of transformed elements.
FlatMap transforms each element in a stream using a function that returns a stream, then flattens the streams into a single stream.
Volatile keyword in Java is used to indicate that a variable's...
Find appearance of each charector in a given string
(2 Questions)
- Q1. What is spring actuator
- Ans.
Spring Actuator is a feature in Spring Boot that provides monitoring and management capabilities for your application.
Spring Actuator exposes various endpoints to monitor and manage your application, such as /health, /info, /metrics, etc.
It allows you to check the health of your application, gather metrics, view application properties, and more.
You can also create custom endpoints for specific monitoring needs.
Spring A...
- Q2. Annotations in springboot
- Ans.
Annotations in Spring Boot are used to provide metadata about the application and its components.
Annotations are used to configure Spring Boot applications, define beans, handle requests, etc.
Examples include @RestController, @Autowired, @RequestMapping, @Component, etc.
(1 Question)
- Q1. About myself and my family
Skills evaluated in this interview
I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. Q1. Oops concept
- Q2. Q2. Kafka and message broker working Q3. Message broker configuration setup Q4. Api gateway Q5. Hash collision Q6. Can you write test cases for private class Q7. What is microservices?
Interview Preparation Tips
L2 round:
Q1. What is composite primary key
Q2. Write a jpa query to retrieve data from the 2 columns
Q3. Permformance optimization
LTIMindtree Interview FAQs
The duration of LTIMindtree Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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