Tech Mahindra Software Engineer Interview Questions and Answers

Key concepts of Object-Oriented Programming include encapsulation, inheritance, polymorphism, and abstraction, enhancing code reusability.

• Encapsulation: Bundling data and methods that operate on the data within one unit (class). Example: A 'Car' class with properties like 'speed' and methods like 'accelerate()'.

• Inheritance: Mechanism to create a new class from an existing class, inheriting its attributes and metho...read more

Kotlin is a modern, statically typed programming language designed for JVM, Android, and web development, emphasizing safety and conciseness.

• Kotlin is fully interoperable with Java, allowing developers to use existing Java libraries.

• It supports functional programming features, such as higher-order functions and lambda expressions. Example: val sum = { a: Int, b: Int -> a + b }

• Kotlin has null safety built into i...read more

I have worked on diverse projects, including web applications, mobile apps, and machine learning models, enhancing my technical skills.

• Developed a full-stack web application using React and Node.js for a local business, improving their online presence.

• Created a mobile app for tracking fitness goals, utilizing Flutter and Firebase for real-time data synchronization.

• Participated in a machine learning project that pr...read more

OOP (Object-Oriented Programming) is a programming paradigm based on objects and classes, promoting code reusability and modularity.

• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism where a new class derives properties and behavior from an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present th...read more

SQL is a standard language for managing relational databases, while PL/SQL is a procedural extension for SQL.

• SQL is a standard language used to manage and manipulate data in relational databases.

• PL/SQL is a procedural language extension for SQL, allowing for more complex programming capabilities.

• SQL is used for querying and updating data, while PL/SQL is used for writing procedural code like loops and conditional ...read more

AWS platform offers a wide range of features for cloud computing services.

• Scalability: Easily scale resources up or down based on demand

• Flexibility: Choose from a variety of programming languages, databases, and operating systems

• Security: Built-in security features to protect data and applications

• Cost-effective: Pay only for the resources you use

• Reliability: High availability and redundancy to ensure uptime

• Storage...read more