Clone Object by serializing

public class CloneUtils{

// 拷贝一个对象  
    @SuppressWarnings("unchecked")  
    public static <T extends Serializable> T clone(T obj) {  
        // 拷贝产生的对象  
        T clonedObj = null;  
        try {  
            // 读取对象字节数据  
            ByteArrayOutputStream baos = new ByteArrayOutputStream();  
            ObjectOutputStream oos = new ObjectOutputStream(baos);  
            oos.writeObject(obj);  
            oos.close();  
            // 分配内存空间，写入原始对象，生成新对象  
            ByteArrayInputStream bais = new ByteArrayInputStream(baos  
                    .toByteArray());  
            ObjectInputStream ois = new ObjectInputStream(bais);  
            // 返回新对象，并做类型转换  
            clonedObj = (T) ois.readObject();  
            ois.close();  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return clonedObj;  
    } 

}

Refer to http://blog.csdn.net/ncepuzhuang/article/details/9052077 原型模式