Tech Mahindra Software Engineer Level 1 Interview Questions and Answers

90 questions in 90 mins on maths, programming, and debugging

2 basic coding questions on strings and array, you can use any language

Q1. My Strenghts and how I use them
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Q2. What is my expected CTC
Ans. 
Expected CTC for Software Engineer Level 1 depends on company, location, experience, and negotiation skills.
• Expected CTC can vary based on company policies and budget.

• Location plays a significant role in determining CTC due to cost of living differences.

• Experience level can impact the salary offered, with more experienced candidates typically receiving higher CTC.

• Negotiation skills can also influence the final CTC offe...read more
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Round 1- Foundation Test:

Total Question- 20 ques
Time allotted- 75 mins (shared)
Few important Topics:

Quantitative Aptitude

Number System, LCM & HCF
Divisibility
Numbers & Decimal Fractions
Geometry
+ More Topics

Round 2- Advanced Test:

Total Question-10 ques
Time allotted- 35 mins (shared)
Few important Topics:

Quantitative Aptitude

Ages
Allegations and Mixtures
Averages
Clocks and Calendars
Equations
Percentages
+ More Topics

Q1. 1.Tell me about yourself.
Ans. HR interviews normally start off with this question since it is the one that is usually asked the most often. The right response can boost your chances of making a positive first impression. Interviewers often ask this question so that you can provide a summary of your resume so they can get an idea of what you find most valuable.
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Q2. 2. What are your strengths and weaknesses?
Ans. Answering this question requires skill and ingenuity. With this question, you will be able to acknowledge weaknesses that you look forward to improving. Public speaking, time management, self-criticism, etc., are some common areas of weakness that will not negatively reflect on your selection. The tone should be positive. Always speak only of true forces and never state strengths that you cannot verify. Avoid saying an...read more
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Q3. 3.Who is the founder of TCS?
Ans. TATA Group was founded by Jamsetji Nusserwanji Tata in 1869 as a private organization. Jehangir Ratanji Dadabhoy Tata (JRD Tata) was the driving force behind the expansion of this group into TCS, which was established in 1968. At the present time, Mr Natarajan Chandrasekaran is the Chairman of the TCS
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Q4. 4. What are the competitors of TCS globally and in India?
Ans. Login to experience InterviewBit Practice Improve your coding skills with our resources Resources Experience learning Contests Compete in popular contests with top coders Online IDE Checkout our improved IDE Free Mock Assess yourself and prepare for interviews Scaler Explore Offerings by SCALER Events Checkout Scaler Academy Events New Get a Free personalised Career Roadmap from Scaler Show My Career Plan 90000+ Dev...read more
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Simple questions, easy to clear

Q1. Related to domain
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Q2. Simple questions related to projects
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Q1. Create one Spring boot controller from end to end. No need to create a spring boot project we just want to see the structure and end to end implementation.
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Q2. Write a java 8 program to get the characters from a string whose count is 2 or more than 2 e.g. input: baseball , output: b, a, l.
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Q3. Why you left your previous organization.
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Q4. What is the functional interface
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Q5. What are the OOPS concepts. and some questions related to inheritance.
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Q6. Asked about the project mentioned in CV (Client project) and asked its architecture.
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Q7. Various SQL join types
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Q1. Are you ready to relocate to job location
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Q2. Why are you leaving your previous organization.
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Q3. Expectation about salary
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It was an aptitude test that included coding and various logical questions.

Q1. Domain questions
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Q2. Project level questions
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Q3. Mid level python questions
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Q4. Devops questions
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Q1. Scenario based question
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Q2. DevSecOps Questions
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Q1. Managerial Round. It was a casual discussion though about the project and role level activities.
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Q1. Its was just a formality
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It's walkin, so they conducted 1 technical mcqs round.

Q1. Multi threading
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Q2. Internal working of hashmap
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap uses an array of buckets to store key-value pairs.

• Keys are hashed to determine the index in the array where the key-value pair will be stored.

• In case of hash collisions, a linked list or a balanced tree is used to store multiple key-value pairs in the same bucket.

• HashMap allows null keys...read more
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Q3. Spring batch related
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Q4. Non repeating characters in a array
Ans. 
Function to find and return all non-repeating characters in an array of strings.
• Iterate through the array and count the occurrences of each character using a HashMap.

• Then iterate through the array again and check if the count of each character is 1, if so add it to the result list.

• Return the list of non-repeating characters.
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Q5. 3rd highest salary
Ans. 
To find the 3rd highest salary in a database, we can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query with 'ORDER BY salary DESC' to sort the salaries in descending order.

• Use 'LIMIT 1 OFFSET 2' to skip the first two highest salaries and retrieve the third highest salary.

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q6. Qualifier vs primary
Ans. 
A qualifier in Java is used to specify additional information about a primary, which is the main data type or variable.
• A primary in Java is the main data type or variable, while a qualifier provides additional information about the primary.

• Qualifiers can be used to modify the behavior or characteristics of a primary.

• For example, in Java, 'final' is a qualifier that can be used to make a variable constant.
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Q7. Controller vs restcontroller
Ans. 
The main difference is that @RestController is a specialized version of @Controller that is used for RESTful web services.
• Both @Controller and @RestController are used in Spring MVC to handle HTTP requests, but @RestController is specifically used for RESTful web services.

• @Controller is used to create web pages, while @RestController is used to return data in JSON or XML format.

• @RestController is a convenience annotati...read more
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Q8. Spring boot annotataions
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Q9. Oops concepts with examples
Ans. 
OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: private variables with public getter and setter methods.

• Polymorphism: Ability for objects to be treated as instances of their paren...read more
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Q10. Spring batch configuration
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Q11. They covered all java, spring and Microservices
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Q1. Microservices architecture
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Q2. How do Microservices communicate
Ans. 
Microservices communicate with each other through various communication protocols like HTTP, messaging queues, and gRPC.
• Microservices can communicate over HTTP using RESTful APIs.

• Messaging queues like RabbitMQ or Kafka can be used for asynchronous communication between microservices.

• gRPC is a high-performance, open-source RPC framework that can be used for communication between microservices.

• Service discovery mechanism...read more
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Q3. How to access the Microservice end point
Ans. 
Microservice endpoints can be accessed using HTTP requests with the appropriate URL
• Use HTTP methods like GET, POST, PUT, DELETE to interact with the microservice

• Construct the URL with the base URL of the microservice and the specific endpoint path

• Include any necessary headers or parameters in the request for authentication or data filtering
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Q4. Why we use microservices
Ans. 
Microservices allow for modular, scalable, and flexible software development by breaking down applications into smaller, independent services.
• Microservices enable easier maintenance and updates as each service can be developed, deployed, and scaled independently.

• They improve fault isolation, as failures in one service do not necessarily affect the entire application.

• Microservices promote agility and faster time-to-mark...read more
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