C # class creation and initialization

C # class creation and initialization

Using System; using System. collections. generic; using System. linq; using System. text; namespace C _ edit basic {class Person {public string Name; // because Name is not assigned a value, and it is of the string type, the default value is Null public int Age; // because Age and Gender are not assigned values, and they are of the int type, their default values are 0 public int Gender; public void sayHello () {Console. writeLine ("Hello everyone"); Console. readKey () ;}} class Program {static void Main (string [] args) {// int I = 1; // The Value Type Initialization is Assign values directly. The new Person p1 = new Person (); // new Person () is used to create a Person class object. Person p1 = new Person () means to first create a Person-type object and point it to p1.sayHello () ;}} with the variable p1 ();}}}