temp

의미

1. 시간적/공간적 차이
2. create employee

save csv(with parser)

1. HttpRequest/HttpResponse

dataInputStream/dataOutputStream

1. fileEntry

mashaling/unmashaling(impl serializable)

1. objectInputStream/objectOutputStream
2. serialVersionUID
3. transient
4. reference object
5. private Object readResolve() throws ObjectStreamException/private Object writeReplace() throws ObjectStreamException
6. Externalizable public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException / public void writeExternal(final ObjectOutput out) throws IOException
7. secure 문제