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[ DOT NET Core MCQS ]
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181. Class क्या है?
[A] Blueprint of Object
[B] Database
[C] Method
[D] Variable
181. What is a Class?
[A] Blueprint of Object
[B] Database
[C] Method
[D] Variable
सही उत्तर: Blueprint of Object
व्याख्या: Class Objects बनाने का Template होती है।
Correct Answer: Blueprint of Object
Explanation: A class is a blueprint for creating objects.
182. Object क्या है?
[A] Instance of Class
[B] Method
[C] Database
[D] Interface
182. What is an Object?
[A] Instance of Class
[B] Method
[C] Database
[D] Interface
सही उत्तर: Instance of Class
व्याख्या: Object Class का Runtime Instance होता है।
Correct Answer: Instance of Class
Explanation: An object is an instance of a class.
183. Encapsulation का उद्देश्य क्या है?
[A] Data Hiding
[B] Inheritance
[C] Compilation
[D] Routing
183. What is the purpose of Encapsulation?
[A] Data Hiding
[B] Inheritance
[C] Compilation
[D] Routing
सही उत्तर: Data Hiding
व्याख्या: Encapsulation Data और Methods को एक Unit में बांधता है।
Correct Answer: Data Hiding
Explanation: Encapsulation binds data and methods together.
184. Abstraction का उद्देश्य क्या है?
[A] Implementation Details Hide करना
[B] Database Access
[C] Logging
[D] Caching
184. What is the purpose of Abstraction?
[A] Hide Implementation Details
[B] Database Access
[C] Logging
[D] Caching
सही उत्तर: Implementation Details Hide करना
व्याख्या: Abstraction केवल आवश्यक जानकारी दिखाती है।
Correct Answer: Hide Implementation Details
Explanation: Abstraction hides implementation details.
185. Inheritance का मुख्य लाभ क्या है?
[A] Code Reusability
[B] Slow Performance
[C] Data Duplication
[D] No Reuse
185. What is the main benefit of Inheritance?
[A] Code Reusability
[B] Slow Performance
[C] Data Duplication
[D] No Reuse
सही उत्तर: Code Reusability
व्याख्या: Inheritance Existing Code को Reuse करने की सुविधा देती है।
Correct Answer: Code Reusability
Explanation: Inheritance promotes code reuse.
186. Polymorphism का अर्थ क्या है?
[A] Many Forms
[B] Single Form
[C] No Form
[D] Data Form
186. What does Polymorphism mean?
[A] Many Forms
[B] Single Form
[C] No Form
[D] Data Form
सही उत्तर: Many Forms
व्याख्या: एक Interface के कई Implementations हो सकते हैं।
Correct Answer: Many Forms
Explanation: One interface can have multiple implementations.
187. Compile Time Polymorphism किसके द्वारा प्राप्त होती है?
[A] Method Overloading
[B] Method Overriding
[C] Inheritance
[D] Interface
187. How is Compile Time Polymorphism achieved?
[A] Method Overloading
[B] Method Overriding
[C] Inheritance
[D] Interface
सही उत्तर: Method Overloading
व्याख्या: Compile Time Polymorphism को Static Polymorphism भी कहते हैं।
Correct Answer: Method Overloading
Explanation: It is also called static polymorphism.
188. Run Time Polymorphism किसके द्वारा प्राप्त होती है?
[A] Method Overriding
[B] Method Overloading
[C] Constructor
[D] Namespace
188. How is Run Time Polymorphism achieved?
[A] Method Overriding
[B] Method Overloading
[C] Constructor
[D] Namespace
सही उत्तर: Method Overriding
व्याख्या: Run Time Polymorphism Dynamic Binding पर आधारित होती है।
Correct Answer: Method Overriding
Explanation: Run time polymorphism is based on dynamic binding.
189. Method Overloading क्या है?
[A] Same Name Different Parameters
[B] Different Name Same Parameters
[C] Same Class Only
[D] No Parameters
189. What is Method Overloading?
[A] Same Name Different Parameters
[B] Different Name Same Parameters
[C] Same Class Only
[D] No Parameters
सही उत्तर: Same Name Different Parameters
व्याख्या: एक ही Method Name के कई Versions हो सकते हैं।
Correct Answer: Same Name Different Parameters
Explanation: Multiple versions of a method can exist.
190. Method Overriding क्या है?
[A] Base Method को Redefine करना
[B] Method Delete करना
[C] Method Rename करना
[D] Method Copy करना
190. What is Method Overriding?
[A] Redefining Base Method
[B] Deleting Method
[C] Renaming Method
[D] Copying Method
सही उत्तर: Base Method को Redefine करना
व्याख्या: Derived Class Base Class Method को Override करती है।
Correct Answer: Redefining Base Method
Explanation: Derived class redefines a base class method.