TSYS|Total System Services Senior Software Developer Interview Questions, Process, and Tips

OOPS concepts in C++ include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: creating new classes based on existing classes, allowing for code reuse

• Polymorphism: ability for objects of different classes to be treated as objects of a common superclass

• Abstraction: hiding complex implementation details and sh

Multi threading is a programming concept where multiple threads run concurrently within a single process.

• Multi threading allows for better utilization of CPU resources by running multiple tasks simultaneously.

• Threads share the same memory space, which can lead to synchronization issues if not handled properly.

• Examples of multi threading implementations include Java's Thread class, C#'s Task Parallel Library, and Python

Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common base class.

• Diamond problem can be resolved using virtual inheritance in C++.

• Virtual inheritance ensures that only one instance of the common base class is inherited by the derived class.

• Example: class A is inherited by classes B and C, then class D inherits from both B and C. Using virtual inheritance for class A re

Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.

• Single inheritance: a class inherits from only one base class.

• Multiple inheritance: a class inherits from more than one base class.

• Multilevel inheritance: a class inherits from a class which in turn inherits from another class.

• Hierarchical inheritance: multiple classes inherit from a single base class.

• Hybrid inher...read more