Lab12

What is the fundamental unit of Object-Oriented Programming?

• Variable

• Function

• Class

• Method

What does encapsulation achieve in OOP?

• Hides implementation details

• Allows global access to variables

• Increases code redundancy

• Makes methods static

Which keyword is used to define a class in C#?

• class

• struct

• object

• namespace

What is the default access modifier for class members in C#?

• public

• private

• protected

• internal

Which of the following defines a method inside a class?

• public void Show() { }

• method Show() { }

• def Show():

• func Show() { }

What does the this keyword refer to in a C# class?

• The parent class

• The current instance of the class

• The static members of the class

• The global namespace

What is this commonly used for in constructors?

• To define a new class

• To refer to another class

• To distinguish instance variables from parameters

• To create static variables

What is the purpose of the ref keyword in C#?

• Passes arguments by value

• Passes arguments by reference

• Declares a local variable

• Declares a new class

Which statement about ref is TRUE?

• It creates a copy of the variable

• It can be used with instance variables only

• It prevents a method from modifying the variable

• It allows methods to modify the original variable

Which of the following is true about method overloading?

• Methods must have the same name but different parameters

• Methods must have the same name and same parameters

• Only return type needs to be different

• Overloading is not allowed in C#