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Tuple Class in C#
The Tuple<T1, T2, T3> class represents a 3-tuple, which is called triple. A tuple is a data structure that has a sequence of elements.
It is used in −
- Easier access to a data set.
- Easier manipulation of a data set.
- To represent a single set of data.
- To return multiple values from a method
- To pass multiple values to a method
It has three properties −
Item1 − Get the value of the current Tuple<T1, T2, T3> object's first component.
Item2 −Get the value of the current Tuple<T1, T2, T3> object's second component.
Item3 − Get the value of the current Tuple<T1, T2, T3> object's third component.
Example
Let us now see an example to implement the 3-tuple in C# −
using System; public class Demo { public static void Main(string[] args) { Tuple<int,string,string> tuple = new Tuple<int,string,string>(35, "steve", "katie"); Console.WriteLine("Value (Item1)= " + tuple.Item1); Console.WriteLine("Value (Item2)= " + tuple.Item2); Console.WriteLine("Value (Item3)= " + tuple.Item3); if (tuple.Item1 == 35) { Console.WriteLine("Exists: Tuple Value = " +tuple.Item1); } if (tuple.Item2 == "jack") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item2); } if (tuple.Item3 == "katie") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item3); } } }
Output
This will produce the following output −
Value (Item1)= 35 Value (Item2)= steve Value (Item3)= katie Exists: Tuple Value = 35 Exists: Tuple Value = katie
Example
Let us now see another example to implement the 3-tuple in C# −
using System; public class Demo { public static void Main(string[] args) { Tuple<string,string,string> tuple = new Tuple<string,string,string>("nathan", "steve", "katie"); Console.WriteLine("Value (Item1)= " + tuple.Item1); Console.WriteLine("Value (Item2)= " + tuple.Item2); Console.WriteLine("Value (Item3)= " + tuple.Item3); if (tuple.Item1 == "nathan") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item1); } if (tuple.Item2 == "jack") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item2); } if (tuple.Item3 == "katie") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item3); } } }
Output
This will produce the following output −
Value (Item1)= nathan Value (Item2)= steve Value (Item3)= katie Exists: Tuple Value = nathan Exists: Tuple Value = katie
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