12/27/11

Namespace StringManipulation
Class Tester

Public Sub Run()
Dim s1 As String = "abcd"
Dim s2 As String = "ABCD"

'concatentation method
Dim s3 As String = String.Concat(s1, s2)
Console.WriteLine("s3 concatenated from s1 and s2: {0}", s3)

'use the overloaded operator
Dim s4 As String = s1 & s2
Console.WriteLine("s4 concatenated from s1 & s2: {0}", s4)

End Sub 'run

Public Shared Sub Main()
Dim t As New Tester()
t.Run()
End Sub 'main

End Class
End Namespace

---

Public Sub RunCopy()
Dim s1 As String = "scdb"
Dim s2 As String = "CATNIP"

'the string copy method
Dim s5 As String = String.Copy(s2)
Console.WriteLine("s5 copied from s2: {0}", s5)

'use the overloaded operator
Dim s6 As String = s5
Console.WriteLine("s6 = s5: {0}", s6)

End Sub 'Run

Public Sub RunEquality()
Dim s1 As String = "qwerty"
Dim s2 As String = "QWERTY"

'the string copy method
Dim s5 As String = String.Copy(s2)
Console.WriteLine("s5 copied from s2: {0}", s5)

'copy with the overloaded operator
Dim s6 As String = s5
Console.WriteLine("s6 = s5: {0}", s6)

'member method
Console.WriteLine("Does s6.Equals(s5)?: {0}", s6.Equals(s5))

'shared method
Console.WriteLine("Does Equals(s6, s5)?: {0}", String.Equals(s6, s5))
End Sub 'Rnu Equality

Public Shared Sub Main()
Dim t As New Tester()
t.RunCopy()
Console.WriteLine()
t.RunEquality()

End Sub

---

Class Tester

Public Sub Run()
Dim s1 As String = "abcd"
Dim s2 As String = "ABCD"
Dim s3 As String = "Liberty Associates, Inc. provides "
s3 = s3 & "custom .NET development"

'the string copy method
Dim s5 As String = String.Copy(s2)

Console.WriteLine("s5 copied from s2: {0}", s5)

'the length
Console.WriteLine("String s3 is {0} characters long. ", s5.Length)

Console.WriteLine()
Console.WriteLine("s3: {0}", s3)

'test whether a String ends with a set of characters
Console.WriteLine("s3: ends with Training?: {0}", s3.EndsWith("training"))
Console.WriteLine("Ends with Development?: {0}", s3.EndsWith("development"))

Console.WriteLine()
'return the index fo teh string
Console.WriteLine("The first occurrrence of provides ")
Console.WriteLine("in s3 is {0}", s3.IndexOf("provides"))

'hold the location of provides as an integer
Dim location As Integer = s3.IndexOf("provides")
'insert the word usually before "provides"
Dim s10 As String = s3.Insert(location, "usually ")

Console.WriteLine("s10: {0}", s10)

'you can combine the two as follows:
Dim s11 As String = s3.Insert(s3.IndexOf("provides"), "usually ")
Console.WriteLine("s11: {0} ", s11)

Console.WriteLine()
'use the mid function to replace within the string
Mid(s11, s11.IndexOf("usually") + 1, 9) = "always!"
Console.WriteLine("s11 now: {0}", s11)
End Sub 'run

Public Shared Sub Main()
Dim t As New Tester()
t.Run()
End Sub 'Main

End Class

---

namespace practiceTuesday
{
class Program
{
static void Main(string[] args)
{
Person al = new Person("Al", 29);
al.Print();
}
}

class Person
{
//fields areadonly members that define the data the enclosing type consists of
private string _name;
private int _age;

public Person(string name, int age)
{
_name = name;
_age = age;
}

public void Print()
{
Console.WriteLine(_name + " is " + _age + " years young");
}
}
}

---

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ClassSample
{
class Program
{
static void Main(string[] args)
{
Vertex3d vd = new Vertex3d();
Vertex3d vd2 = new Vertex3d(4.5, 5.5, 8.0);
vd.Print();
vd2.Print();
}
}

public class Vertex3d
{
public const string Name = "Vertex";
private readonly int ver;

private double _x;
private double _y;
private double _z;

public void Print()
{
Console.WriteLine("{0} - {1} - {2}", _x, _y, _z);
}
//properties
public double X
{
get { return _x; }
set { _x = value; }
}

public double Y
{
get { return _y; }
set { _y = value; }
}

public double Z
{
get { return _z; }
set { _z = value; }
}

//method
public void SetToOrigin()
{
X = Y = Z = 0.0;
}

public static Vertex3d Add(Vertex3d a, Vertex3d b)
{
Vertex3d result = new Vertex3d();
result.X = a.X + b.X;
result.Y = a.Y + b.Y;
result.Z = a.Z + b.Z;
return result;
}

public Vertex3d()
{
_x = _y = _z = 0.0;


}

public Vertex3d(double x, double y, double z)
{
this._x = x;
this._y = y;
this._z = z;
}
}
}