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The five types of constructors in OOP are: Default Private copy Static Parameterized 10. Define what an exception is. In object-oriented programming, an exception is a notification that stops the execution of the program and sends the error for resolution to the exception handler. 11. Explain what virtual functions are. Virtual functions are used to produce polymorphism at runtime. They are overwritten by the subclass and are present in the parent class. 12. Explain how you would achieve data abstraction. You can achieve data abstraction through: abstract class Abstract method 13. Define what encapsulation is. Encapsulation occurs when data and code are united into a single unit. An example of this is a class. You can specify data in a class and hide it from other classes, known as data hiding. 14. Explain the differences between structured programming and object-oriented programming. Structured programming and object-oriented programming differ in several important ways: In structured programming, programmers divide programs into functions and procedures, while object-oriented programming is based on objects Structured programming uses a top-down approach, while object-oriented programming uses the opposite approach, bottom-up.
Structured programming does not allow data hiding, while object-oriented programming does. Structured programming can only solve problems of moderate complexity, while object-oriented programming can solve complex problems Code reuse is not possible with structured programming; On the other hand, object-oriented programming allows it, reducing redundancy 15. Define static polymorphism. Static polymorphism is static linking, or a type of polymorphism that occurs at compile time (for example, method overloading). 16. Define dynamic polymorphism. Dynamic Brazil Phone Number Data polymorphism is dynamic binding, also known as runtime polymorphism, and is resolved at runtime (for example, method overriding). 17. Define what hybrid inheritance is. Hybrid inheritance is the fusion of multilevel inheritance and multiple inheritance. 18. Define what hierarchical inheritance is. In object-oriented programming, hierarchical inheritance occurs when a base class has two or more subclasses. 19. Explain why you would use object-oriented programming instead of structured programming.
There are several reasons why object-oriented programming may make more sense than structured programming for a specific purpose. For example: Object-oriented programming can solve complex problems, while structured programming can only solve simple or moderately complex problems. You can hide data with object-oriented programming, which can be crucial if confidentiality is a concern You can break problems into separate parts, making them easier to solve You can reuse code (via inheritance), which means you can reduce redundancy You can link code and data using encapsulation You can allow entities to have more than one form (known as polymorphism); this makes object-oriented programming more flexibleName the programming language that does not support polymorphism. 52. How much memory does a class consume? 53. What was the first programming language developed as an OOP language? 54. Which popular OOP language does not support all types of inheritance? 55. Name some popular object-oriented programming languages. Hire the best OOP developers by asking the right questions 1. Explain what object-oriented programming is. Object-oriented programming, often abbreviated as OOP, is a programming paradigm that uses objects instead of procedures and functions