static void Main(string[] args)
{
try
{
abcd ok = Test();
}
catch (Exception ex)
{
string a = string.Format("OK:{0}", ex);
string b = ex.ToString();
}
}
static abcd Test()
{
abcd ok = null;
return(ok);
}
static void Main()
{
abcd obj = new abcd();
// obj.pqr();
}
public Default1Controller(abcd a)
{
}
static void Main(string[] args)
{
#region Uses Shape, Rectangle, RectangleConstruct class
Console.WriteLine("DEMONSTRATION ON INHERITANCE");
int w1 = 5;
int h1 = 7;
//Using a constructor and inheritance
RectangleConstruct Recta = new RectangleConstruct(w1, h1);
Console.WriteLine("Total Area(w/ Constructor): " + Recta.GetArea());
Rectangle Rect = new Rectangle();
/*Console.WriteLine("Input Width: ");
* w1 = Int32.Parse(Console.ReadLine());
* Console.WriteLine("Input Height: ");
* h1 = Int32.Parse(Console.ReadLine());*/
Rect.SetWidth(w1);
Rect.SetHeight(h1);
Console.WriteLine("Total area: {0}", Rect.getArea());
#endregion
#region Uses Line class
Console.WriteLine("\nDEMONSTRATION ON USING CONSTRUCTORS/DESTRUCTORS");
Line line = new Line(); // set line length
line.setLength(6.0);
Console.WriteLine("Length of line : {0}", line.getLength());
#endregion
#region Uses StaticVar class
Console.WriteLine("\nDEMONSTRATION ON USING STATIC MEMBERS");
StaticVar s1 = new StaticVar();
StaticVar s2 = new StaticVar();
s1.count();
s1.count();
s1.count();
s2.count();
s2.count();
s2.count();
Console.WriteLine("Variable num for s1: {0}", s1.getNum());
Console.WriteLine("Variable num for s2: {0}", s2.getNum());
#endregion
#region Uses Polymorph Class
Console.WriteLine("\nDEMONSTRATION ON POLYMORPHISM");
//Polymorph p = new Polymorph();
Polymorph p = new Polymorph();
// Call print to print integer
p.Print(5);
// Call print to print float
p.Print(500.263);
// Call print to print string
p.Print("Hello C#");
#endregion
#region Demonstration on Abstract Classes
Console.WriteLine("\nDEMONSTRATION ON ABSTRACT CLASSES");
Rectangle1 r = new Rectangle1(10, 7);
double a = r.Area();
Console.WriteLine("Area: {0}", a);
#endregion
#region Demonstration on Dynamic Polymorphism (Using Virtual Functions)
Console.WriteLine("\nDEMONSTRATION ON DYNAMIC FUNCTION (Using Virtual Functions)");
Rectangle2 rect2 = new Rectangle2(10, 7);
Triangle t = new Triangle(10, 5);
Caller c = new Caller();
c.CallArea(rect2);
c.CallArea(t);
/**************/
#endregion
#region Day14: Scope
Console.WriteLine("\nACTIVITY ON RETRIEVING MAXIMUM DIFFERENCE BETWEEN VALUES");
//DIFFERENCE CLASS
//Computes maximum difference in a range of values
//e.g. 1 2 3 4 5
//Read user input on number of characters
//Convert.ToInt32(Console.ReadLine());
Console.Write("Input values (e.g. 1 2 3):");
int[] b = Console.ReadLine().Split(' ').Select(x => Convert.ToInt32(x)).ToArray();
Difference d = new Difference(b);
d.computeDifference();
Console.WriteLine("Maximum Difference: " + d.maximumDifference);
#endregion
#region Referenced OperatorOverloadApp namespace
Console.WriteLine("\nDEMONSTRATION ON OPERATOR OVERLOADING");
Box Box1 = new Box(); // Declare Box1 of type Box
Box Box2 = new Box(); // Declare Box2 of type Box
Box Box3 = new Box(); // Declare Box3 of type Box
Box Box4 = new Box();
double volume = 0.0; // Store the volume of a box here
// box 1 specification
Box1.setLength(6.0);
Box1.setBreadth(7.0);
Box1.setHeight(5.0);
// box 2 specification
Box2.setLength(12.0);
Box2.setBreadth(13.0);
Box2.setHeight(10.0);
//displaying the Boxes using the overloaded ToString():
Console.WriteLine("Box 1: {0}", Box1.ToString());
Console.WriteLine("Box 2: {0}", Box2.ToString());
// volume of box 1
volume = Box1.getVolume();
Console.WriteLine("Volume of Box1 : {0}", volume);
// volume of box 2
volume = Box2.getVolume();
Console.WriteLine("Volume of Box2 : {0}", volume);
// Add two object as follows:
Box3 = Box1 + Box2;
Console.WriteLine("Box 3: {0}", Box3.ToString());
// volume of box 3
volume = Box3.getVolume();
Console.WriteLine("Volume of Box3 : {0}", volume);
//comparing the boxes
if (Box1 > Box2)
{
Console.WriteLine("Box1 is greater than Box2");
}
else
{
Console.WriteLine("Box1 is not greater than Box2");
}
if (Box1 < Box2)
{
Console.WriteLine("Box1 is less than Box2");
}
else
{
Console.WriteLine("Box1 is not less than Box2");
}
if (Box1 >= Box2)
{
Console.WriteLine("Box1 is greater or equal to Box2");
}
else
{
Console.WriteLine("Box1 is not greater or equal to Box2");
}
if (Box1 <= Box2)
{
Console.WriteLine("Box1 is less or equal to Box2");
}
else
{
Console.WriteLine("Box1 is not less or equal to Box2");
}
if (Box1 != Box2)
{
Console.WriteLine("Box1 is not equal to Box2");
}
else
{
Console.WriteLine("Box1 is not greater or equal to Box2");
}
Box4 = Box3;
if (Box3 == Box4)
{
Console.WriteLine("Box3 is equal to Box4");
}
else
{
Console.WriteLine("Box3 is not equal to Box4");
}
#endregion
#region Demonstration on Interfaces
Console.WriteLine("\nDEMONSTRATION ON INTERFACES");
Transaction t1 = new Transaction("001", "8/10/2012", 78900.00);
Transaction t2 = new Transaction("002", "9/10/2012", 451900.00);
t1.showTransaction();
t2.showTransaction();
#endregion
#region Demonstration on Namespaces
Console.WriteLine("\nDEMONSTRATION ON NAMESPACES");
abc fc = new abc();
efg sc = new efg();
fc.func();
sc.func();
abcd fc1 = new abcd();
third_space.fourth_space.efgh sc1 = new third_space.fourth_space.efgh();
fc1.func();
sc1.func();
#endregion
#region Demonstration on Exceptions
Console.WriteLine("\nDEMONSTRATION ON EXCEPTIONS");
Console.WriteLine("FIRST EXCEPTION");
DivNumbers eDiv = new DivNumbers();
eDiv.division(25, 0);
Console.WriteLine("\nSECOND EXCEPTION");
Temperature temp = new Temperature();
try
{
temp.showTemp();
}
catch (TempIsZeroException e)
{
Console.WriteLine("TempIsZeroException: {0}", e.Message);
}
#endregion
#region THIS SHOWS A PREPROCESSOR DIRECTIVE
Console.WriteLine("\nTHIRD EXCEPTION");
string strVal = Console.ReadLine();
try
{
int x = int.Parse(strVal);
Console.WriteLine(x);
}
catch (FormatException)
{
Console.WriteLine("Bad String");
}
#endregion
Console.ReadKey();
}
