Implements

에러, java.io.NotSerializableException , java.io.InvalidClassException

문제 1. Serializable 을 구현하지 않아 에러가 발생 java.io.NotSerializableException: com.example.test.SerialDTO at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1185) at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:349) at com.example.test.ManageObject.saveObject(ManageObject.java:23) at com.example.test.ManageObject.main(ManageObject.java:14) 2. Serializ..