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How to get Second Element of the ValueTuple in C#?

  • Last Updated : 23 Jul, 2019
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ValueTuple is a structure introduced in C# 7.0 which represents the value type Tuple. It allows you to store a data set which contains multiple values that may or may not be related to each other. Item2 Property is used to get the second unnamed element of the given value tuple. It is applicable on every value tuple like 2-ValueTuple, 3-ValueTuple, and so on.

Syntax:

public T2 Item2;

Here, T2 is the field value of a ValueTuple<> structure. This ValueTuple<> can be 2-ValueTuple, or 3-ValueTuple, or 4-ValueTuple, or 5-ValueTuple, or 6-ValueTuple, or 7-ValueTuple, or 8-ValueTuple.

Example: In the below code, you can see that we are accessing the second element of each value tuple.




// C# program to illustrate how to get
// the second element of value tuple
using System;
  
class GFG {
  
    // Main Method
    static public void Main()
    {
  
        Console.WriteLine("C# Topics:");
          
        // Creating a value tuple 
        // with two elements
        var ValTpl2 = ValueTuple.Create("Array",
                                      "String");
  
        // Accessing the second element of 
        // 2-ValueTuple using Item property
        Console.WriteLine(ValTpl2.Item2);
  
        // Creating a value tuple
        // with three elements
        var ValTpl3 = ValueTuple.Create("ArrayList",
                                   "List", "Queue");
  
        // Accessing the second element of 
        // 3-ValueTuple using Item property
        Console.WriteLine(ValTpl3.Item2);
  
        // Creating a value tuple 
        // with four elements
        var ValTpl4 = ValueTuple.Create("Stack", "Dictionary",
                                   "LinkedList", "Interface");
  
        // Accessing the second element of 
        // 4-ValueTuple using Item property
        Console.WriteLine(ValTpl4.Item2);
  
        // Creating a value tuple with five elements
        var ValTpl5 = ValueTuple.Create("Identifiers", "Data Types",
                       "Keywords", "Access Modifiers", "Operators");
  
        // Accessing the second element of 
        // 5-ValueTuple using Item property
        Console.WriteLine(ValTpl5.Item2);
  
        // Creating a value tuple with six elements
        var ValTpl6 = ValueTuple.Create("Nullable Types", "Class",
            "Structure", "Indexers", "Switch Statement", "Loops");
  
        // Accessing the second element of 
        // 6-ValueTuple using Item property
        Console.WriteLine(ValTpl6.Item2);
  
        // Creating a value tuple with seven elements
        var ValTpl7 = ValueTuple.Create("Inheritance ", "Constructors"
                        "Encapsulation", "Abstraction", "Static Class",
                                    "Partial Classes", "this keyword");
  
        // Accessing the second element of 
        // 7-ValueTuple using Item property
        Console.WriteLine(ValTpl7.Item2);
  
        // Creating a value tuple with eight elements
        var ValTpl8 = ValueTuple.Create("Methods", "Method Hiding",
                         "Optional Parameters", "Anonymous Method",
                  "Partial Methods", "Local Function", "Delegates",
                                                    "Destructors");
  
        // Accessing the second element of 
        // 8-ValueTuple using Item property
        Console.WriteLine(ValTpl8.Item2);
    }
}
Output:
C# Topics:
String
List
Dictionary
Data Types
Class
Constructors
Method Hiding



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