Which header file should be included to use string-related functionalities?

What will be the output of the following code?

Welcome to C++ Introduction Video Course – your gateway to mastering the core concepts of C++ programming with real-world applications and extensive practice sessions.

Whether you're new to programming or looking to strengthen your skills, this course provides a clear, concise introduction to C++. Explore fundamental principles through practical examples and hands-on exercises, bridging theory with real-world use cases. By the end, you'll have the skills to write efficient, industry-standard code, opening doors to exciting opportunities in software development and beyond.

In this section, you'll familiarize yourself with the essentials of C++ programming, setting the stage for deeper exploration into its core concepts and practical applications.

Master the art of controlling program flow in C++. Explore conditional statements, loops, and branching mechanisms to create dynamic and responsive code that adapts to various scenarios and user inputs.

Take a deep dive into the world of functions in C++. Understand the principles of function declaration, definition, and invocation, and learn how to modularize your code for improved readability and maintainability.

Explore techniques for string handling, character encoding, and string manipulation, empowering you to work with textual data effectively in your programs.

Discover the versatility of arrays and data structures in C++. Explore the implementation and manipulation of arrays, laying the foundation for more complex algorithms and applications.

Basic String Operations and Manipulations

1. What is a string?

2. Which header file should be included to use string-related functionalities?

3. What will be the output of the following code?