To output the value of multidimensional array, Console.WriteLines(___)
All methods in an abstract base class must be declared abstract.
Methods that are declared abstract in the base class must show implementation at the time of declaration.
The code public class B : A { }
Assuming that public class B : A { public B(int i) :base(i) { } } compiles and runs correctly, what can we conclude about the constructors in the class A?
Classes declared with the sealed keyword cannot be base class.
A method_____an exception when that method detects that a problem has occured.
Exception objects are derived from the class.
An abstract class
A____block enclose the code that could throw an exception.