JNTU B.Tech II PRINCIPLES OF PROGRAMMING LANGUAGES Previous Question Paper (August/September - 2022 - R15)

In BNF notation, the case statement is defined as:

A syntax graph for the case statement is represented as a directed graph where:

1. The entry point starts with the keyword 'case'.
2. A path leads to an expression, followed by the keyword 'of'.
3. The path then enters a loop for the case-list, where one or more constant lists are followed by a colon and a statement, separated by semicolons.
4. The path terminates at the keyword 'end'.

The object-oriented programming (OOP) paradigm offers several significant advantages for software development:

• Modularity and Encapsulation: OOP allows data and methods to be bundled into objects, hiding internal implementation details. This reduces complexity and prevents unintended interference between different parts of the system.
• Reusability through Inheritance: New classes can derive properties and behaviors from existing classes, promoting code reuse and reducing redundancy.
• Maintainability: Because code is organized into discrete, self-contained objects, debugging and updating specific features is easier without affecting the entire codebase.
• Polymorphism: This feature allows objects of different types to be treated as instances of a common superclass, enabling flexible and extensible code that can handle new data types without major modifications.
• Scalability: The structure of OOP makes it easier to manage large, complex software systems by breaking them down into manageable, interacting objects.