static void Main(string[] args) {
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r);
r.Draw();
Console.WriteLine();
Square s = (Square)r;
Console.WriteLine(s);
s.Draw();
Console.WriteLine();
Rectangle r2 = new Rectangle(4, 2);
DrawSquare((Square)r2);
//conversion to and from int
Square sq2 = (Square)90;
int side = (int)sq2;
//implicit conversion;
Rectangle rImpl = sq2;
Console.WriteLine(rImpl);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Conversions *****\n");
// Make a Rectangle.
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
// Convert r into a Square, based on the height of the Rectangle.
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
Console.ReadLine();
}
static void Main( string[] args )
{
Console.WriteLine("***** Fun with Conversions *****\n");
// Make a Rectangle.
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
// Convert r into a Square,
// based on the height of the Rectangle.
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
Console.WriteLine();
// Convert Rectangle to Square to invoke method.
Rectangle rect = new Rectangle(10, 5);
DrawSquare((Square)rect);
Console.WriteLine();
// Converting an int to a Square.
Square sq2 = (Square)90;
Console.WriteLine("sq2 = {0}", sq2);
// Converting a Square to a int.
int side = (int)sq2;
Console.WriteLine("Side length of sq2 = {0}", side);
Console.WriteLine();
Square s3 = new Square();
s3.Length = 83;
// Attempt to make an implicit cast?
Rectangle rect2 = s3;
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("******Fun with Conversions******");
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
Rectangle rt = new Rectangle(5, 8);
DrawSquare((Square)rt);
//Console.ReadLine();
int length = 2;
Square si = (Square)length;
DrawSquare(si);
Square its = new Square(3);
Console.WriteLine((int)its);
Console.WriteLine("********隐式类型转换*********");
Square iss = new Square(2);
Rectangle rectangle = iss;
rectangle.Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Conversions *****\n");
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
Square s = (Square) r;
Console.WriteLine(s.ToString());
s.Draw();
Console.WriteLine();
Rectangle rect = new Rectangle(10, 5);
DrawSquare((Square) rect);
Console.WriteLine();
Square sqs = (Square) 90;
Console.WriteLine("sq2 = {0}\n", sqs);
int side = (int) sqs;
Console.WriteLine("Side length of sqs = {0}\n", side);
Square s3 = new Square();
s3.Length = 7;
Rectangle rect2 = s3;
Console.WriteLine("rect2 = {0}", rect2);
DrawSquare(s3);
Console.WriteLine();
Square s4 = new Square();
s4.Length = 3;
Rectangle rect3 = (Rectangle) s4;
Console.WriteLine("rect3 = {0}", rect3);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("****** Fun with Conversion ******\n");
Rectangle r = new Rectangle(15, 4);
Console.WriteLine(r.ToString());
r.Draw();
Console.WriteLine();
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
Console.ReadLine();
Square sq2 = (Square)90;
Console.WriteLine("sq2 = {0}", sq2);
int side = (int)sq2;
Console.WriteLine("Side length of sq2 = {0}", side);
Square s3 = new Square {
Lenght = 7
};
Rectangle rect2 = s3;
Console.WriteLine("rect2 = {0}", rect2);
Square s4 = new Square {
Lenght = 3
};
Rectangle rect3 = (Rectangle)s4;
Console.WriteLine("rect3 = {0}", rect3);
}
static void Main(string[] args)
{
Console.WriteLine("**** Fun with conversions ****");
Rectangle r = new Rectangle(14, 5);
Console.WriteLine(r.ToString());
r.Draw();
Square s = (Square)r;
Console.WriteLine(s.ToString());
s.Draw();
DrawSquare((Square)r);
Square s2 = (Square)90;
Console.WriteLine("s2 = {0}", s2);
s2.Draw();
int side = (int)s2;
Console.WriteLine("Length of square side: {0}", side);
Square s3 = new Square(83);
Rectangle r2 = s3;
Console.WriteLine("r2: {0}", r2.ToString());
Square s4 = new Square(7);
Rectangle r3 = (Rectangle)s4;
Console.WriteLine("r3: {0}", r3);
Console.ReadLine();
}