java 反射 复制对象

public static Object getCloneObject(Object bean) {
Object cloneBean = null;
try {
ByteArrayOutputStream byout = new ByteArrayOutputStream();
ObjectOutputStream obj = new ObjectOutputStream(byout);
obj.writeObject(bean);
ByteArrayInputStream byin = new ByteArrayInputStream(byout
.toByteArray());
ObjectInputStream ins = new ObjectInputStream(byin);
cloneBean = (Object) ins.readObject();
} catch (Exception ex) {
ex.printStackTrace();
}
return cloneBean;
}