| A person class for a simple BlueJ demo program. Person is used as
| an abstract superclass of more specific person classes.
|
| @author  Michael Kölling
| @version 1.0, January 1999
|
abstract class Person
{    
private String name;
    private int yearOfBirth;
    private Address address;

    


| Create a person with given name and age.
|
Person(String name, int yearOfBirth)
    {
        this.name = name;
        this.yearOfBirth = yearOfBirth;
    }

    


| Set a new name for this person.
|
public void setName(String newName)
    {
        name = newName;
    }

    


| Return the name of this person.
|
public String getName()
    {
        return name;
    }
    
    


| Set a new birth year for this person.
|
public void setYearOfBirth(int newYearOfBirth)
    {
        yearOfBirth = newYearOfBirth;
    }

    


| Return the birth year of this person.
|
public int getYearOfBirth()
    {
        return yearOfBirth;
    }

    


| Set a new address for this person.
|
public void setAddress(String street, String town, String postCode)
    {
        address = new Address(street, town, postCode);
    }

    


| Return the address of this person.
|
public Address getAddress()
    {
        return address;
    }

    


| Return a string representation of this object.
|
public String toString()    
    {
        return "Name: " + name + "\n" +
               "Year of birth: " + yearOfBirth + "\n";
    }
}