at java.base/java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2932)
at java.base/java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3427)
at java.base/java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:962)
at java.base/java.io.ObjectInputStream.<init>(ObjectInputStream.java:405)
at shopbendi/shopbendi.Shop.readListFromFile(Shop.java:116)
at shopbendi/shopbendi.Shop.run(Shop.java:148)
at shopbendi/shopbendi.Shop.main(Shop.java:136)