arraysprogram

class Program
    {
    public void test(int []n)
        {
            Console.WriteLine("passing in method");
            Array.Reverse(n);
            foreach(int i in n)
            {
                Console.WriteLine(i);
            }
        }
        static void Main(string[] args)
        {

            int[] arr = new int[] { 1, 2,3,4 };

            Console.WriteLine(arr.Length);
            // int[] arr = new int[7];
            arr = new int[4] { 2, 8, 6, 8 };
            Console.WriteLine(arr.Length);

            for(int i=0;i<arr.Length;i++)
            {
                Console.WriteLine(arr[i]);
            }
            Array.Sort(arr);
            Console.WriteLine("Array sorting");
            for (int i = 0; i < arr.Length; i++)
            {
                Console.WriteLine(arr[i]);
            }
            Console.WriteLine("Array Reverse");
            Array.Reverse(arr);
            for (int i = 0; i < arr.Length; i++)
            {
                Console.WriteLine(arr[i]);
            }
            Console.WriteLine("Array Rank");
            Console.WriteLine(arr.Rank.ToString());

            Console.WriteLine(arr.Length);
            Console.WriteLine("Array Cantains");
            bool a=arr.Contains(4);
            Console.WriteLine(a);

            foreach(int i in arr) //foreach loop
            {
                Console.WriteLine(i);
            }
         
            int[] arr1 = arr;
            foreach (int i in arr1) //foreach loop
            {
                Console.WriteLine(i);
            }
            Console.WriteLine("index of array");
            Console.WriteLine(Array.IndexOf(arr, 8));
            Program p = new Program();
            p.test(arr);
           
            Console.ReadKey();
        }
    }