LINQ Sample1

gistfile1.cs

int[] array = { 1, 10, 30, 40, 50, 70, 80, 90 };

//50以上の値の数(for)
int count = 0;
for (int i = 0; i < array.Length; i++)
{
    if (array[i] >= 50)
    {
        count++;
    }
}
Console.WriteLine(count);

//50以上の値の数(LINQ)
int CountLinq = (from n in array
                where n >= 50
                select n).Count();

Console.WriteLine(CountLinq);