static void Main(string[] args)
{
CalDelegate <int> Plus = new CalDelegate <int>(Add);
CalDelegate <double> Minus = Sub;
Calc(11, 11, Plus);
Calc(5.11, 1.18, Minus);
}
static void Main(string[] args)
{
//1 - Create a class of Student(id, name)
//Use
//1- List
//2- ArrayList
//Fill them with 5 students.
//Navigate through them and print the name of students in the Console
Student.StudentList();
Student.StudentArrayList();
//2 - Create a Generic Class name it 'MyGenericClass'
//define generic method that prints the value of the parameter in the console.
//call it with String and int values
int iValue = 123;
string sValue = "456xyz";
MyGenericClass.MyGenericMethod <int>(iValue);
MyGenericClass.MyGenericMethod <string>(sValue);
//3 - Create a hashtable and add 5 dictionaries of(key, value) optional
//iterate through them and print them out in the console.
Hashtable ht = new Hashtable();
ht.Add("E", "e");
ht.Add("A", "a");
ht.Add("C", "c");
ht.Add("B", "b");
ht.Add("D", "d");
foreach (DictionaryEntry de in ht)
{
Console.WriteLine("Key : {0} ; Value : {1}.", de.Key, de.Value);
}
//4 - Create a Constraint Generic Class name it 'MyconstraintGenericClass'
//that limits the caller to use only referenced type
int vaulueType = 123;
MyconstraintGenericClass.MyConstraintGenericMethod <int>(vaulueType);
//String is reference type do not match with constraint
string referenceType = "456xyz";
//MyconstraintGenericClass.MyConstraintGenericMethod<string>(referenceType);
//6 - Use Delegate in a class to calculate area, circumference, biggest side, ...
CalDelegate circleAreaDL = new CalDelegate(Calculator.CircleArea);
CalDelegate circumferenceDL = new CalDelegate(Calculator.Circumference);
int r = 5;
Console.WriteLine("Area of r={0} Circle : {1}", r, circleAreaDL(r));
Console.WriteLine("Circumference of r={0} Circle : {1}", r, circumferenceDL(r));
CalDelegate1 longestEdgeDL = new CalDelegate1(Calculator.LongestEdge);
int l1 = 3;
int l2 = 4;
Console.WriteLine("Longest edge of right-angled triangle with L1={0} L2={1}: {2}", l1, l2, longestEdgeDL(l1, l2));
}
static void Main(string[] args)
{
CalDelegate d = new CalDelegate(Add);
d(10, 5);
d = Sub;
d(10, 5);
d = Mul;
d(10, 5);
d = Div;
d(10, 5);
}
static void Main(string[] args)
{
//CalDelegate Plus = new CalDelegate(Add);
//CalDelegate Minus = new CalDelegate(Sub);
// 위도 가능하지만 간단하게도 가능
CalDelegate Plus = Add;
CalDelegate Minus = Sub;
Calc(11, 22, Plus);
Calc(22, 11, Minus);
// 콜백 ? A B C 관계에서 A가 B에게 전달을 요청 - C에게 연락해달라고.
// 그래서 C가 A에게 연락을 했을 때가 콜백을 한다고 함. B가 중간자 역할을 함.
// cal을 호출하면 plus가 아닌 add 호출하여 plus값(콜백된 것)을 가져옴!
}
static void Main(string[] args)
{
//CalDelegate cd = Add;
//cd += Sub;
//cd += Multiply;
//cd += Divide;
//// 연결해줌!
//cd -= Multiply;
//// 빼줌
//CalDelegate cd = new CalDelegate (Add)
// + Sub
// + Multiply
// + Divide;
CalDelegate cd = (CalDelegate)Delegate.Combine(
new CalDelegate(Add),
new CalDelegate(Sub),
new CalDelegate(Multiply),
new CalDelegate(Divide)
);
cd(10, 5);
}
private static void Main(string[] args)
{
#region Simple or Multicast Delegate
// Multiple instances
CalDelegate aDel, mDel, amDel, amMinusmDel;
aDel = DelegateExample.Addition;
mDel = DelegateExample.Multiplication;
Console.WriteLine("Simple Delegate : Addition");
aDel(4, 4);
Console.WriteLine("Simple Delegate : Mutliplication");
mDel(4, 4);
Console.WriteLine("MultiCast Delegate : Addition + Multiplication");
amDel = aDel + mDel;
amDel(4, 4);
Console.WriteLine("Unlinking MultiCast Delegate : MultiCast - Multiplication");
amMinusmDel = amDel - mDel;
amMinusmDel(4, 4);
//Single Instance
Console.WriteLine("Single Instance - Delegate");
CalDelegate cDel = new CalDelegate(DelegateExample.Addition);
cDel += DelegateExample.Multiplication;
cDel(9, 9);
#endregion Simple or Multicast Delegate
#region Normal
MyDelegate myThree = new MyDelegate(SomeMethod);
myThree.Invoke();
MyDelegate myTwo = SomeMethod;
myTwo();
#endregion Normal
}
static void Main(string[] args)
{
Console.WriteLine("Helo World...");
//Console.ReadLine();
//Environment.Exit(0);
#region ClassMember
UtilityHelper objHelper = new UtilityHelper();
List <int> numbers = new List <int>();
numbers.Add(1);
numbers.Add(2);
numbers.Add(-1);
objHelper.numbers = numbers;
objHelper.PrintNumbers();
//Console.WriteLine(objHelper.numbers);
//objHelper.status = "Setter";
Console.WriteLine("Status :-" + objHelper.status);
UtilityHelper objHelper1 = new UtilityHelper("Initilaizer");
//Console.ReadLine();
#endregion ClassMember
#region OOPS
Console.WriteLine("-----OOPS-----");
Console.WriteLine("--Word Press--");
BlogPage objBlogPage = new GoogleBlog("Google");
objBlogPage.isActive = "YES";
objBlogPage.blogPageAuthor = "DJ";
objBlogPage.blogPageName = "C# .Net Articles";
objBlogPage.AddArticles("Basics of C#");
objBlogPage.AddArticles("Basics of C# OOPS");
objBlogPage.DisplayArticle();
Console.WriteLine("------------");
objBlogPage.BlogInfo();
Console.ReadLine();
#endregion
#region DesignPattern
Console.WriteLine("-----OOPS-----");
Console.WriteLine("--Word Press--");
int blogType = 2;
BlogPage dynamicobjBlogPage;
if (blogType == 1)
{
dynamicobjBlogPage = new WordPressBlog("WordPress");
}
else
{
dynamicobjBlogPage = new GoogleBlog("WordPress");
}
dynamicobjBlogPage.isActive = "YES";
dynamicobjBlogPage.blogPageAuthor = "DJ";
dynamicobjBlogPage.blogPageName = "C# .Net Articles";
dynamicobjBlogPage.AddArticles("Basics of C# DesignPattern");
dynamicobjBlogPage.DisplayArticle();
Console.WriteLine("------------");
dynamicobjBlogPage.BlogInfo();
Console.ReadLine();
#endregion
#region DelegateDemo
CalOperations objCal = new CalOperations();
CalDelegate objDelegate = new CalDelegate(objCal.Add);
objDelegate += new CalDelegate(objCal.Sub);
int result = objDelegate(1, 2);
Console.WriteLine("Result Set :- " + result.ToString());
#endregion
#region DAL
DALHelper objDAL = new DALHelper();
ClientProductModel product = new ClientProductModel();
product.Name = "IPhone";
product.Qty = "25";
product.Rate = "25.00";
// objDAL.Insert(product);
product.Name = "Nokia";
product.Qty = "100";
product.Rate = "12.00";
// objDAL.Insert(product);
product = null;
product = objDAL.SelectQuery(1);
product = objDAL.SPExecute(1);
#endregion
#region LINQ
LinqTuto.LinqHelloWorld();
LinqTuto.LinqHelloWorldOnStudent();
LinqTuto.LinqHelloWorldOnStudentTeacher();
#endregion
}
private double Cal(CalDelegate calDelegate, double a, double b)
{
return(calDelegate(a, b));
}
public static void Calc <T>(T x, T y, CalDelegate <T> cd)
{
Console.WriteLine(cd(x, y));
}
public static void Calc(int x, int y, CalDelegate cd)
{
Console.WriteLine(cd(x, y));
}
