Chapter 7

Question 1

What are properties

Answer 1

It allows us to access class members in a protective manner.

Question 2

What are indexers

Answer 2

Its a feature of C# language that allows to behave any class of C# like an array. It means the instances of that class can be called like [ ] (indexes could be integer or string)

Question 3

What is the difference between struct and class

Answer 3

stuct are value type and class is reference type. In struct we can not inherit implementation. There are no default constructor and destructors in struct.

Question 4

What is the difference between value type and reference type

Answer 4

Reference type have copies and value type there is no copy and original stuff moves

Question 5

What are interfaces

Answer 5

Interface is declaration of methods and properties. There is no implementation of it. e.g. 
test() {
// no code here, only method signature
}

Question 6

How to declare an interface

Answer 6

interface IMyInterface {
void MethodToImplement();
}

Question 7

What are 4 things an interface have

Answer 7

Events
Indexers
Properties
Methods Implementation

Question 8

Can one interface inherit another interface

Answer 8

Yes