BCA Semester 5 – DotNet Technology – Unit 3: Creating Types in C# (12Hrs)

Question 1

What do you mean by property in C language? How it is different from method? Compare automatic property with other types of property with suitable example.

Marks: 5

Year: 2020 Final TU

Property in C Definition: A property in C is a member of a class that provides a flexible mechanism to read, write, or compute the value of a private field. It combines the features of a field and

Question 2

Define constructor. Explain different types of constructors used in C with example.

Marks: 5

Year: 2020 Final TU

Constructor in C Definition: A constructor is a special method in a class that is automatically called when an object of the class is created. It is used to initialize objects and set default valu

Question 3

What is an interface? How interface is used in multiple inheritance? Explain with example.

Marks: 5

Year: 2021 Final TU

What is an Interface? Definition: An interface in C is a contract that defines a set of methods, properties, events, or indexers without any implementation. Classes or structs that implement the i

Question 4

Why namespace is used in C? How to create and use the namespace in C? Explain with example.

Marks: 5

Year: 2021 Final TU

What is a Namespace? Definition: A namespace in C is a container that holds classes, structs, interfaces, enums, and delegates. It helps to organize code and avoid name conflicts in large applicat

Question 5

What do you mean by static class and constructor? Explain with suitable example.

Marks: 5

Year: 2021 Final TU

Static Class Definition: A static class is a class that cannot be instantiated and can only contain static members (methods, properties, fields). It is used to group utility or helper methods. Key

Question 6

What do you mean by Operator Overloading? Write a C program to demonstrate binary and relational operator overloading.

Marks: 10

Year: 2021 Final TU

Operator Overloading Definition: Operator overloading is a feature in C that allows a user-defined class or struct to provide custom behavior for operators (like +, -, ==, <, >). It enables operat

Question 7

What are sealed classes in C? Write a C program to illustrate the concept of abstract class and abstract method.

Marks: 5

Year: 2022 Final TU

Sealed Classes in C - A sealed class is a class that cannot be inherited. - It is declared using the sealed keyword. - Sealed classes are used to prevent further derivation, enhancing security and

Question 8

What is different between index and properties? Explain the concept of generic class in C with 8 suitable program.

Marks: 5

Year: 2022 Final TU

Difference Between Indexers and Properties | Feature | Property | Indexer | |---------|---------|---------| | Definition | Encapsulates a single value of a class or object. | Allows objects to be inde

Question 9

What is interface? Explain with suitable program, how interface can be used to perform multiple inheritance?

Marks: 5

Year: 2024 Final TU

What is an Interface? An interface in C is a reference type that defines a contract containing only method signatures, properties, events, or indexers without implementation. - Classes or structs t

Question 10

What are use of finalizer in C? Explain with suitable program, how base keyword is used to call member function and constructor of parent class?

Marks: 5

Year: 2024 Final TU

1. Use of Finalizer in C - A finalizer is a special method in C that is called automatically by the garbage collector before an object is destroyed. - It is used to release unmanaged resources, suc

Question 11

How this keyword is used to declare indexer? Write C program to overload unary (++) and relational (==) operator.

Marks: 10

Year: 2024 Final TU

1. Using this Keyword to Declare Indexer - An indexer allows an object to be indexed like an array. - The this keyword is used to declare the indexer in a class. - Syntax: csharp public returnTyp