Showing error.in static

#1

CANNOT USE THIS IN STATIC CONTEXT.

public static int getNofStudents(){
	return this.NOfStudents;
}
#2

No you cannot access instance variables inside a static method

#3

but in video t is given.

#4

Either you should pass the object reference to the static method and access instance variables using it, or you can indirectly access instance variables from a static method by passing the instance variable as a paramter to the static method using another instance method(which can obviously access the instance variables directly).