Array of People
A first example of a class (People) and using it in an array (so you have many people)
Size 1.3 kB - File type text/x-csharpFile contents
using System; namespace PersonInArray { class Person { private string name; private string address; public Person() { name = "None"; address = "Unknown 00000"; } public Person( string theName, string theAddress ) { name = theName; address = theAddress.Trim (); } public string getZipCode() { return address.Substring (address.Length - 5, 5); //not good programming } public override string ToString() { return name + "\n" + address; } } class PersonTester { public static void Main (string[] args) { Person p1; Person p2; Person[] pArray; p1 = new Person (); p2 = new Person ("The Boss", "820 N Michigan Ave, Chicago, IL 60611"); pArray = new Person[3]; Console.WriteLine (pArray[1] == null ? "it is null" : "something else"); pArray[0] = new Person (); pArray[1] = new Person ("The President", "The White House, Washington, DC 20500"); pArray[2] = p2; Console.WriteLine (p1.ToString()); Console.WriteLine ("extracted ZIP is " + p1.getZipCode() + "\n"); Console.WriteLine (p2.ToString()); Console.WriteLine ("extracted ZIP is " + p2.getZipCode() + "\n"); foreach (Person a in pArray) { Console.WriteLine (a.ToString()); } } } }