C# 4.0 language includes a new feature called Tuple. Tuple provides us a way of grouping elements of different data type. That enables us to use it a lots places at practical world like we can store a coordinates of graphs etc.

In C# 4.0 we can create Tuple with Create method. This Create method offer 8 overload like following. So you can group maximum 8 data types with a Tuple. Followings are overloads of a data type.

• Create(T1)- Which represents a tuple of size 1
• Create(T1,T2)- Which represents a tuple of size 2
• Create(T1,T2,T3) – Which represents a tuple of size 3
• Create(T1,T2,T3,T4) – Which represents a tuple of size 4
• Create(T1,T2,T3,T4,T5) – Which represents a tuple of size 5
• Create(T1,T2,T3,T4,T5,T6) – Which represents a tuple of size 6
• Create(T1,T2,T3,T4,T5,T6,T7) – Which represents a tuple of size 7
• Create(T1,T2,T3,T4,T5,T6,T7,T8) – Which represents a tuple of size 8

Following are some example code for tuple.

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

namespace TupleExample
{
    class Program
    {
        static void Main(string[] args)
        {
            var tuple = System.Tuple.Create<string, string, string>("Jalpesh", "P", "Vadgama");
            Console.WriteLine(tuple);

            var t = System.Tuple.Create<int, string>(1, "Jalpesh");
            Console.WriteLine(t); 
 
        }
    }
}

You can also access values insides Tuple with ItemN property. Where N represents particular number of item in tuple. Following is an example of it.

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

namespace TupleExample
{
    class Program
    {
        static void Main(string[] args)
        {
            var tuple = System.Tuple.Create<string, string, string>("Jalpesh", "P", "Vadgama");
            Console.WriteLine(tuple.Item1);
            Console.WriteLine(tuple.Item2);
            Console.WriteLine(tuple.Item3);
        }
    }
}

Here you can see I have printed items with Item1,Item2 and Item3 . Following is the output of above code.

Even we can create a nested tuple also following is code for nested tuple.

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

namespace TupleExample
{
    class Program
    {
        static void Main(string[] args)
        {
            var tuple = System.Tuple.Create(1,"Jalpesh",new Tuple<string,string>("P","Vadgama"));
            Console.WriteLine(tuple.Item1);
            Console.WriteLine(tuple.Item2);
            Console.WriteLine(tuple.Item3);

        }
    }
}

As you can see there are unlimited possibilities we can do lots of things with Tuple. Hope you liked it. Stay tuned for more. Till then Happy Programming!!