static void Main(string[] args) { int[] intArray = new int[10]; intArray[0] = 1; intArray[9] = 1010; for (int index = 0; index < intArray.Length; index++) { //Console.WriteLine(intArray[index]); } foreach (int element in intArray) { Console.WriteLine(element); } string[] arr = new string[3] { "ABCd", "DD", "FF" }; foreach (string myelement in arr) { Console.WriteLine(myelement); } string[] arrCopy = new string[3]; Array.Copy(arr, arrCopy, 3); int[,,] twoDIntArray = new int[2,3,4]; //jagged Array int[][] jaggedArr = new int[10][]; //jaggedArr[0][0] = new int[] { 1, 2, 3 }; Console.WriteLine("Array dimension is : " + twoDIntArray.Rank); //Console.WriteLine(intArray[99]); Person p1 = new Person(); p1.FirstName = "ABCD"; p1.LastName = "DEFG"; p1.Age = 20; Person p2 = new Person(); p2.FirstName = "dd"; p2.LastName = "ff"; p2.Age = 30; Person[] p = new Person[3]; p[0] = p1; p[1] = p2; Console.WriteLine("----------Jagged array--------------"); string[][] presidents = new string[3][] { new string[]{"Pranav Mukherjee", "Pratibha Patil", "A.P.J Abdul Kalam", "K.R. Narayanan"}, new string[]{"Mamnoon Hussain", "Asif Ali Zardari", "Pervez Musharraf"}, new string[]{"Barack Obama", "George W. Bush", "Bill Clinton", "George H. W. Bush", "Ronald Reagan"} }; string p12 = presidents[0][1]; Console.WriteLine(" Indian Presidents: " + string.Join(",", presidents[0])); Console.WriteLine(" Pakistan Presidents: " + string.Join(",", presidents[1])); Console.WriteLine(" USA Presidents: " + string.Join(",", presidents[2])); Console.WriteLine(""); Console.WriteLine(""); Console.ReadLine(); Console.WriteLine(p[2]); Console.ReadLine(); }