C# Review

Is it possible to access a public non-static field through a static method of the class  ?

• YES

• NO

Answer explanation

If the field is not static, then a static method cannot directly access it (since instance members belong to an object). You would need to create an object inside the static method (or receive one as a parameter).

Is it possible to override sealed methods ?

• YES

• NO

Answer explanation

• In C#, sealed means "no further overriding allowed."

• Usually, we use sealed with methods that are already override to prevent further derived classes from overriding them again.

Is it possible to override any method from the parent class ?

• YES

• NO

Answer explanation

It is possible to override only the virtual, abstract and override methods

Compiler creates automatically Default Constructor for all the classes.

• YES

• NO

Answer explanation

Compiler creates automatically Default Constructor only if the class does not have any constructor.

Is it possible to implement multiple Interfaces ?

• YES

• NO

Is it possible to use private access modifier with virtual methods ?

• YES

• NO

Access Modifiers (public, private , protected) are allowed in Abstract Classes

• YES

• NO

Is it possible to access a static field through a non static method of the class  ?

• YES

• NO

Abstract Classes can provide default implementation of methods

• TRUE

• 
  FALSE

An abstract class cannot be sealed

• TRUE

• FALSE