carimpl.java

Java的面向对象数据库系统的源代码

import org.ozoneDB.OzoneObject;
import java.util.*;

public class CarImpl extends OzoneObject implements Car {
    
    /**
    Set version of the serialized data to make it compatible with
    new class versions.
    */
    final static long serialVersionUID = 1L;
    
    private String	_name;
    
    private int		_yearOfConst;
    
    public CarImpl() {
        _name = new String( "" );
        _yearOfConst = 0;
    }
    
    public String name() {
        return _name;
    }
    
    public void setName( String name ) {
        _name = name;
    }
    
    public void setYearOfConst( int year ) {
        _yearOfConst = year;
    }
    
    public int age() {
        Calendar cal = Calendar.getInstance();
        return cal.get (Calendar.YEAR) - _yearOfConst;
    }
}