[C#/Linq] GroupBy 절 (기본샘플)

Linq - GroupBy 기본 샘플.

public class Example
{
    public static void Main()
    {
        Console.Write("<< Linq - GroupBy 출력 예제 >> \n");

        List<int> numbers = new List<int>() { 55, 64, 300, 74, 1987, 8, 299, 429, 546, 308 };

        IEnumerable<IGrouping<int, int>> query = from number in numbers
                                                 group number by number % 2;

        foreach (var group in query)
        {
            Console.WriteLine(group.Key == 0 ? "\nEven numbers:" : "\nOdd numbers:");
            foreach (int i in group)
                Console.WriteLine(i);
        }

        Console.WriteLine(System.Environment.NewLine);
        Console.WriteLine("Press any key to exit");
        Console.ReadKey();
    }
}