Green Tiger Mobility Software Engineer Interview Questions and Answers

Q1. What's return statement in java
Ans. 
The return statement in Java is used to explicitly return a value from a method.
• The return statement is followed by the value that is to be returned from the method.

• It can only be used within a method body.

• Once a return statement is executed, the control is transferred back to the caller of the method.
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Q2. What are get set methods
Ans. 
Get set methods are used in object-oriented programming to retrieve and update the values of private variables.
• Get methods are used to retrieve the value of a private variable.

• Set methods are used to update the value of a private variable.

• They are commonly used to ensure data encapsulation and control access to class variables.
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Q3. What is the difference between an interface and an abstract class in Java?
Ans. 
Interface is a contract specifying methods that a class must implement, while abstract class can have both implemented and abstract methods.
• Interface cannot have method implementations, while abstract class can have both implemented and abstract methods.

• A class can implement multiple interfaces but can only extend one abstract class.

• Interfaces are used to achieve multiple inheritance in Java.

• Abstract classes can have c...read more
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Q4. How do you implement a stack in Java using an array?
Ans. 
Implement a stack in Java using an array
• Create an array to store the elements of the stack

• Keep track of the top of the stack using an index variable

• Implement push() to add elements to the stack

• Implement pop() to remove elements from the stack

• Example: String[] stackArray = new String[10];
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Q5. What is the difference between a HashMap and a TreeMap in Java?
Ans. 
HashMap is unordered and uses hashing to store key-value pairs, while TreeMap is ordered and uses a red-black tree to store key-value pairs.
• HashMap uses hashing to store key-value pairs, allowing for O(1) time complexity for get and put operations.

• TreeMap uses a red-black tree to store key-value pairs, maintaining order based on the keys.

• HashMap does not guarantee any specific order of elements, while TreeMap maintains...read more
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Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies

• Passionate about software engineering
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Q2. Can you explain one of the projects you completed during the academic year?
Ans. 
Developed a web-based student management system for tracking attendance and grades.
• Used HTML, CSS, and JavaScript for front-end development.

• Implemented backend functionality using PHP and MySQL database.

• Incorporated user authentication and authorization features for secure access.

• Tested the system thoroughly to ensure functionality and user-friendliness.
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Q3. What were some of the fundamental concepts of Artificial Intelligence that the interviewer inquired about during your interview as a Computer Science and Engineering - Artificial Intelligence and Machine L...read more
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Q4. What were your Achievements in the graduation years
Ans. 
Graduated with honors, completed multiple internships, and won coding competitions
• Graduated with honors in Computer Science

• Completed internships at XYZ Company and ABC Corporation

• Won first place in coding competition at university hackathon
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Q1. 1) OOPS in java, and told to explain abstraction, encapsulation, inheritance with practical code 2) Exception handling(globally), Authentication and authorization 3) SOLID principles and factory design pat...read more
Ans. 
Interview questions for Software Engineer position covering OOPS concepts, exception handling, SOLID principles, Java 8 features, and Streams.
• Abstraction in OOPS: Hiding implementation details. Example: Abstract class Shape with method draw().

• Encapsulation in OOPS: Bundling data and methods that operate on the data. Example: Class Employee with private fields and public getters/setters.

• Inheritance in OOPS: Reusing code...read more
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Q2. 1) Advantage of springboot over spring 2) Tell me all the anotations you know in spring 3) What are CRUD operations, write controller layer and use validating annotations like @NotNull, @valid etc. how to ...read more
Ans. 
The interview questions cover various topics related to Spring framework, REST vs SOAP, JPA repository, Feign client, circuit breaker, and Spring Security.
• Spring Boot provides a simpler and faster way to set up and run Spring applications compared to traditional Spring.

• Common annotations in Spring include @Controller, @Service, @Repository, @Autowired, @Component, @RequestMapping, @GetMapping, @PostMapping, @PutMapping...read more
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Q3. 1) ACID properties 2) DBMS commands 3) inner queries 4) Joins 5) S3 bucket congif and how to handle file and upload and retrieve in s3 6) Ci/Cd basic flow and docker explaination
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Q1. Asked about technical expertise and topic related question
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Q2. Notice period and salary discussion
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Q1. Technical in depth
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Q2. Salary discussion
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Q1. Notice period and salary discussion
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A wide range of questions were asked including concepts like logical reasoning, CN, DBMS, SQL, OS, Data structures followed by very basic coding questions.

Q1. Introduce yourself with your academic details
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Q2. Elaborate your projects
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Q3. What is SDLC and elaborate it?
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• SDLC is a systematic process for building software applications.

• It consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables.

• Examples of SDLC models include Waterfa...read more
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Q4. Some scenario and logic based questions along with technical were asked
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Q1. What do you know about LTIMindtree?
Ans. 
LTIMindtree is a global technology consulting and services company specializing in digital transformation and IT services.
• LTIMindtree was formed through the merger of LTI (Larsen & Toubro Infotech) and Mindtree in 2019.

• It offers services in areas such as cloud computing, data analytics, cybersecurity, and artificial intelligence.

• LTIMindtree serves clients in various industries including banking, healthcare, retail, and...read more
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Q2. Why should we take you?
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Q3. Where do you see yourself in next 5-10 years?
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Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with a strong background in computer science and experience in developing innovative solutions.
• Completed a Bachelor's degree in Computer Science from XYZ University

• Proficient in programming languages such as Java, Python, and C++

• Worked on projects involving web development, database management, and machine learning

• Strong problem-solving skills and ability to work in a team environmen
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Q2. What was your role and contributions in your projects?
Ans. 
I was responsible for designing and implementing new features, fixing bugs, and optimizing performance in various projects.
• Designed and implemented new features based on client requirements

• Fixed bugs reported by QA team or end users

• Optimized performance by refactoring code or improving algorithms

• Collaborated with team members to ensure project deadlines were met
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Q3. Are you willing to relocate?
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am open to relocating for the right job opportunity

• I am flexible and willing to move for the right position

• I have relocated for previous jobs and am comfortable with the process
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There will be aptitude questions related to surface area, time and distance, as well as profit and loss.

There will be questions related to arrays, linked lists, stacks, queues, and binary search.