What are advantages and disadvantages of structure declaration?

Advantages of structure declaration include organized data management, as it allows grouping related variables under a single name, which enhances code readability and maintainability. It also enables the creation of complex data types that can represent real-world entities more effectively. However, disadvantages include potential increased memory usage if not managed properly and the complexity it introduces, which may lead to difficulties in understanding and manipulating the data structure for less experienced programmers. Additionally, structures typically lack methods for data manipulation, requiring additional functions or classes.