Java - resolve ObjectInputStream

Question

Please tell me how to differentiate objects from ObjectInputStream.Like whether it is String , Image or etc...?

Answer 1

You'll have to know what to expect and cast it. You may also do checks with instanceof or do something more sophisticated like register handlers in a map where you do

map.get(object.getClass()).handle(object);

But most importantly, you must know what objects you can expect to write proper handling code.