copy不同对象相同的属性

下载附件中的几个jar包

public static void main(String []args)
{
BeanA a = new BeanA("123","456");
BeanA aa= new BeanA();
BeanB b= new BeanB();
copy(b,a);
copy(aa,a);
System.out.println(b.getA());
System.out.println(aa.getA());
}
public static void copy(Object newObject, Object oldObject)
    {
        try {
BeanUtils.copyProperties(newObject, oldObject);
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} 
    }