C# - Functions and Subroutines Questions and Answers
C# Functions and Subroutines questions with answers provide a strong foundation in modular programming. These programming questions and answers with explanations help learners differentiate between functions, subroutines, and methods, focusing on parameter passing, return types, and scope rules. Practicing C# programming MCQ or programming interview questions with answers improves coding confidence and interview readiness. Companies like IBM, Infosys, and TCS often include C# function-based problems in their placement tests. Regular practice ensures a clear understanding of reusable code structures, a key skill in professional C# development.
C# - Functions and Subroutines
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29 questions
11. A function can be used in an expression, whereas a subroutine cannot be.
- TRUE
- FALSE
12. What is the primary purpose of a method in C#?
- To store data
- To organize code into reusable blocks
- To create variables
- To define classes
13. Which keyword is used to define a method that does not return any value?
- null
- void
- empty
- none
14. What is the correct syntax for defining a method in C#?
- method Name() {}
- returnType methodName() {}
- def methodName() {}
- function methodName() {}
15. Which of the following is true about method parameters?
- They are defined outside the method
- They act as variables that receive values
- They are always optional
- They cannot be used in the method body
16. What is method overloading in C#?
- Creating methods with different names
- Creating multiple methods with same name but different parameters
- Creating methods that override base class methods
- Creating methods with different return types only
17. Which keyword is used to call a method from another method?
- call
- invoke
- execute
- Simply use method name with parentheses
18. What is the return type of a method that returns an integer value?
- void
- string
- int
- double
19. Which of the following is NOT a valid access modifier for methods?
- public
- private
- method
- protected
20. What is the purpose of the return statement in a method?
- To start the method
- To send a value back to the caller
- To create a loop
- To define variables