Tech Mahindra Fullstack Software Engineer Interview Questions and Answers

Def factorial_iterative(n):
result = 1
for i in range(1, n + 1):
result *= i
return result

Q1. Java overloading overriding differences
Ans. 
Overloading is having multiple methods with the same name but different parameters, while overriding is implementing a method in a subclass with the same signature as in the superclass.
• Overloading allows different methods to have the same name but different parameters.

• Overriding involves implementing a method in a subclass with the same signature as in the superclass.

• Overloading is determined at compile time based on t...read more
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Q2. Angular decorators
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Q3. Angular services
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Q1. Tell me about internal working of JVM
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Q2. Tell me about SAGA pattern in Microservices
Ans. 
SAGA pattern is a design pattern used in microservices architecture to manage distributed transactions.
• SAGA pattern breaks down a long-running transaction into a series of smaller, independent transactions.

• Each step in the SAGA pattern is a separate service that communicates with other services through events.

• If a step fails, compensating transactions are executed to rollback the changes made by previous steps.

• Example:...read more
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Q1. Tell me about your current project structure
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Q2. What is an API , how would you secure an API
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API stands for Application Programming Interface. It defines the methods and data formats that applications can use to communicate with each other.
• API is a set of rules and protocols that allows different software applications to communicate with each other.

• To secure an API, you can use authentication methods like OAuth, API keys, or JWT tokens.

• Implementing encryption (HTTPS) and rate limiting can also enhance API secu...read more
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Q1. Why do you want to relocate to Bangalore
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Q2. Tell me about one instance where you faced pressure and how did you overcome ?
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Q1. Basic js question on hoisting, closure, promises
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Q1. Basic resume based
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Q1. Salary discussion -- HR never responded
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Q1. SQL - a table with emp-id, emp-name, manager-id, Need to find the manger name for each emplyee.
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Q2. FizzBuzz - if number is divisible by 3 print "fizz", if by 5 print "buzz", if by both "fizzbuzz"
Ans. 
A simple program to print 'fizz' for multiples of 3, 'buzz' for multiples of 5, and 'fizzbuzz' for multiples of both.
• Iterate through numbers from 1 to n.

• Use modulo operator to check divisibility by 3 and 5.

• Print 'fizz', 'buzz', or 'fizzbuzz' accordingly.
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Q3. Is it necessary for classes implementing an interface to implement interface methods?
Ans. 
Yes, classes implementing an interface must implement interface methods.
• Classes implementing an interface must provide concrete implementations for all methods declared in the interface.

• Failure to implement all interface methods will result in a compilation error.

• Interfaces are used to define a contract that implementing classes must adhere to.
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Q4. Spring basics - annotations
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Q1. Spring boot basics
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Q1. Talked about my previous companies and salary. Before they conduct the interview I had told them my expectation, while negotiation they denied for providing that and were offering just 10% hike over my cur...read more
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Q1. 1. What is resolvers in angular 2. Difference between canActivated and CanGuard route guards in angular 3. How to create custom decorators 4. what is use of ngOnInit 3. How to make asynchronous method to s...read more
Ans. 
Resolvers in Angular are used to fetch data before the component is loaded, canActivate guards control access to routes, custom decorators can be created using @Decorator syntax, ngOnInit is a lifecycle hook in Angular, asynchronous methods can be made synchronous using async/await, cancellation tokens are used to cancel asynchronous operations.
• Resolvers in Angular are used to fetch data before the component is loaded,...read more
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Q1. Solid principles
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Q1. How to handle stressful scenarios
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Handling stressful scenarios involves staying calm, prioritizing tasks, seeking support, and practicing self-care.
• Stay calm and take deep breaths to manage emotions

• Prioritize tasks based on urgency and importance

• Seek support from colleagues, mentors, or counselors

• Practice self-care activities like exercise, meditation, or hobbies
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Train and time and work

Q1. Python fullstack
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Q2. Introduction,projects,skills,strenths,habies,goles
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Q3. Python fullstack with django
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