LTIMindtree Interview Questions, Process, and Tips

Q1. SOLID principles in the context of ruby language
Ans. 
SOLID principles are design principles in object-oriented programming. In Ruby, they help in creating maintainable and scalable code.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Classes should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects of its subc...read more
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Q2. Ruby metaprogramming basics and advanced concepts
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In aptitude test it was about basic computer knowledge, mathematical questions ad some coding questions.

Q1. What is data structure?
Ans. 
Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures define the way data is stored, accessed, and manipulated in a computer program.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.

• Choosing the right data structure is crucial for optimizing the performance of algorithms and operations on the data.
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Q2. What is oops concept?
Ans. 
Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the compl...read more
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Q1. Write Java Program for consumer producer problem using multithreading
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Java program for consumer producer problem using multithreading
• Create a shared buffer between producer and consumer

• Use synchronized methods or locks to ensure thread safety

• Implement separate classes for producer and consumer
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Q2. Difference between microServices architecture and monolithic architecture
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Microservices architecture is a distributed approach where an application is broken down into smaller, independent services, while monolithic architecture is a traditional approach where the entire application is built as a single unit.
• Microservices architecture divides an application into smaller, loosely coupled services that can be developed, deployed, and scaled independently.

• Monolithic architecture involves buildi...read more
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Good with oops concept

Oops concept and basic understanding