What is a Constructor ?

Constructors are used to initialize an object. Constructor’s are called when a method is initialized. Constructors cannot be inherited.

• Constructor has the same name as the class.
• Class can have more than one constructor.
• Constructor can take zero, one, or more parameters.
• Constructor has no return value.
• Constructor is always called with the new operator.

Example:

Java

public class Person
{
 public Person(String FirstName)
 {
   this.FirstName = FirstName;
 }
}