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Tuple<T1,T2> Class in C#
The Tuple<T1, T2> class represents a 2-tuple, which is called pair. 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 two properties −
Item1 − Get the value of the current Tuple<T1, T2> object's first component.
Item2 − Get the value of the current Tuple<T1, T2> object's second component.
Example
Let us now see an example to implement the 2-tuple in C# −
using System; public class Demo { public static void Main(string[] args) { Tuple<string,string> tuple = new Tuple<string,string>("jack", "steve"); Console.WriteLine("Value = " + tuple.Item1); if (tuple.Item1 == "jack") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item1); } if (tuple.Item2 == "david") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item2); } } }
Output
This will produce the following output −
Value = jack Exists: Tuple Value = jack
Example
Let us now see another example to implement the 2-tuple in C# −
using System; public class Demo { public static void Main(string[] args) { Tuple<int,string> tuple = new Tuple<int,string>(20, "steve"); Console.WriteLine("Value = " + tuple.Item1); if (tuple.Item1 == 20) { Console.WriteLine("Exists: Tuple Value = " +tuple.Item1); } if (tuple.Item2 == "david") { Console.WriteLine("Exists: Tuple Value = " +tuple.Item2); } } }
Output
This will produce the following output −
Value = 20 Exists: Tuple Value = 20
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