C#

HashSet<string> stringSet = new HashSet<string>() { "abc", "aa" };
foreach (string s in stringSet) log(s);

Error	1	; expected	E:\WindowsApplication1\WindowsApplication1\Form1.cs	66	63	WindowsApplication1
Error	2	; expected	E:\WindowsApplication1\WindowsApplication1\Form1.cs	66	70	WindowsApplication1
Error	3	Invalid expression term ','	E:\WindowsApplication1\WindowsApplication1\Form1.cs	66	70	WindowsApplication1
Error	4	; expected	E:\WindowsApplication1\WindowsApplication1\Form1.cs	66	72	WindowsApplication1
Error	5	; expected	E:\WindowsApplication1\WindowsApplication1\Form1.cs	66	77	WindowsApplication1

raju_shiva wrote:

Bu i am getting error as "A new expression requires () or [] after type"

Knock out 't' from can't, you can if you think you can.

HashSet<string> stringSet = new HashSet<string>();
stringSet.Add("abc");
stringSet.Add("aa");

public static IPizza CreatePizza(PizzaType pizzaType)
    {
        switch (pizzaType)
        {
            case PizzaType.HamMushroom:
                return new HamAndMushroomPizza();
            case PizzaType.Deluxe:
                return new DeluxePizza();
            case PizzaType.Hawaiian:
                return new HawaiianPizza();
            default:
                throw new ArgumentException("The pizza type " + pizzaType + " is not recognized.");
        }
    }

public static IPizza CreatePizza(PizzaType pizzaType)
    {
        switch (pizzaType)
        {
            case PizzaType.HamMushroom:
                return new HamAndMushroomPizza();
            case PizzaType.Deluxe:
                return new DeluxePizza();
            case PizzaType.Hawaiian:
                return new HawaiianPizza();
            default:
                return new BasePizza();
        }
    }

<br />
Assembly assembly = typeof(FruitBase).Assembly;<br />
Type type = assembly.GetType(name);<br />
object obj = Activator.CreateInstance(type);<br />

public class FruitBase
{
    //Private fields
    private string _name;
    private string _colour;

    //Constructor
    public FruitBase()
    {
    }

    //Properties
    public virtual string Name
    {
        get { return _name; }
        set { _name = value; }
    }

    public string Colour
    {
        get { return _colour; }
        set { _colour = value; }
    }

    //Methods
    public virtual void GetDefaults(FruitBase fruit)
    {
        fruit.GetDefaults(fruit);
    }
}


public class Apple: FruitBase
{
    //Constructor
    public Apple()
    {
    }

    public override void GetDefaults(FruitBase fruit)
    {
        this.Name = "Apple";
        this.Colour = "Red";
    }

}

FruitBase fb = new FruitBase();
            FruitBase fb2 = new FruitBase();

            if (radList.SelectedValue == "Apple")
            {
                fb2 = new Apple();
            }
            else if (radList.SelectedValue == "Banana")
            {
                fb2 = new Banana();
            }
            else if (radList.SelectedValue == "Orange")
            {
                fb2 = new Orange();
            }
            else if (radList.SelectedValue == "Pear")
            {
                fb2 = new Pear();
            }

            fb.GetDefaults(fb2);

            txtOuput.Text = fb.Name + " - " + fb.Colour + "/" + fb2.Name + " - " + fb2.Colour;

<br />
Assembly assembly = typeof(FruitBase).Assembly;<br />
Type type = assembly.GetType(name);<br />
object obj = Activator.CreateInstance(type);<br />
FruitBase fb2 = obj as FruitBase;<br />

namespace FruitBase_EG
{
    public class FruitBase
    {
        //Private fields
        private string _name;
        private string _colour;

        //Constructor
        public FruitBase()
        {
        }
        
        //Properties
        public virtual string Name
        {
            get { return _name; }
            set { _name = value; }
        }
        public string Colour
        {
            get { return _colour; }
            set { _colour = value; }
        }

        //Methods
        public virtual void GetDefaults()
        {
            this.Name = "Fruit";
            this.Colour = "White";
        }
    }

    public class Apple: FruitBase
    {
        //Constructor
        public Apple()
        {
        }

        public override void GetDefaults()
        {
            this.Name = "Apple";
            this.Colour = "Red";
        } 
    }
    public class Banana : FruitBase
    {
        //Constructor
        public Banana()
        {
        }

        public override void GetDefaults()
        {
            this.Name = "Banana";
            this.Colour = "Yellow";
        }
    }
}

namespace FruitBase_EG
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        public void GetValues(object sender, EventArgs e)
        {
            string name = radList.SelectedValue;  

            Assembly assembly = typeof(FruitBase).Assembly;
            Type type = assembly.GetType(string.Format("{0}.{1}","FruitBase_EG", name));
            object obj = Activator.CreateInstance(type);
            FruitBase fb = obj as FruitBase;

            fb.GetDefaults();

            txtOuput.Text = fb.Name + " - " + fb.Colour;        
        }
    }
}

<br />
Assembly assembly = typeof(FruitBase).Assembly;<br />
Type type = assembly.GetType(string.Format("{0}.{1}","FruitBase_EG", name));<br />
object obj = Activator.CreateInstance(type);<br />
FruitBase fb = obj as FruitBase;<br />

public class FruitBase
{
    //Private fields
    private string _name;
    private string _colour;

    //Constructor
    public FruitBase()
    {
        this.Name = "Fruit";
        this.Colour = "White";
    }

    //Properties
    public virtual string Name
    {
        get { return _name; }
        set { _name = value; }
    }
    public string Colour
    {
        get { return _colour; }
        set { _colour = value; }
    }
}

public class Apple: FruitBase
{
    //Constructor
    public Apple()
    {
        this.Name = "Apple";
        this.Colour = "Red";
    }
}
public class Banana : FruitBase
{
    //Constructor
    public Banana()
    {
        this.Name = "Banana";
        this.Colour = "Yellow";
    }
}