foreach-in_1.cs

class ForEachTest
{
    static void Main(string[] args)
    {
        ExampleOne();
        ExampleTwo();
        ExampleThree();
    }

    private static void ExampleOne() // 12 - 26
    {
        int[] fibarray = new int[] { 0, 1, 1, 2, 3, 5, 8, 13 };
        foreach (int element in fibarray)
        {
            System.Console.WriteLine(element);
        }
        System.Console.WriteLine();
        // Output:
        // 0
        // 1
        // 1
        // 2
        // 3
        // 5
        // 8
        // 13
    }

    private static void ExampleTwo() // 31-46
    {
        int[] fibarray = new int[] { 0, 1, 1, 2, 3, 5, 8, 13 };
        // Compare the previous loop to a similar for loop.
        for (int i = 0; i < fibarray.Length; i++)
        {
            System.Console.WriteLine(fibarray[i]);
        }
        System.Console.WriteLine();
        // Output:
        // 0
        // 1
        // 1
        // 2
        // 3
        // 5
        // 8
        // 13
    }

    private static void ExampleThree() // 51 - 69
    {
        int[] fibarray = new int[] { 0, 1, 1, 2, 3, 5, 8, 13 };
        // You can maintain a count of the elements in the collection.
        int count = 0;
        foreach (int element in fibarray)
        {
            count += 1;
            System.Console.WriteLine("Element #{0}: {1}", count, element);
        }
        System.Console.WriteLine("Number of elements in the array: {0}", count);
        // Output:
        // Element #1: 0
        // Element #2: 1
        // Element #3: 1
        // Element #4: 2
        // Element #5: 3
        // Element #6: 5
        // Element #7: 8
        // Element #8: 13
        // Number of elements in the array: 8
    }


}