Sum - Projection

Query

public void Linq79()
{
    string[] words = { "cherry", "apple", "blueberry" };
  
    double totalChars = words.Sum(w => w.Length);
  
    Console.WriteLine("There are a total of {0} characters in these words.", totalChars);
}

Lambda Expression

public void Linq79()
{
    string[] words = { "cherry", "apple", "blueberry" };
 
    double totalChars = words.Sum(w => w.Length);
 
    Console.WriteLine("There are a total of {0} characters in these words.", totalChars);

}

Output

There are a total of 20 characters in these words.

Related Tutorial

1 Count - Simple

2 Count - Conditional

3 Count - Nested

4 Count - Grouped

5 Sum - Simple

6 Sum - Projection

7 Sum - Grouped

8 Min - Simple