true false true true Abstraction issuesJava Control flow issuesJava Google Web Toolkit issues Java Logging issuesJava Memory issuesJava Security issuesJava Serialization issuesJava SerializableHasSerialVersionUIDField 1609748652281 1609748652281 1622720201192 1622720201192 1622725496974 1622725496974 1622797019995 1622797019995 1622797958801 1622797958801 1622876796155 1622876796155 1622991522204 1622991522204 1623048328858 1623048328858 1623051901073 1623051901073 1623142561807 1623142561807 1635169361686 1635169361686 1635169580548 1635169580548 1.8 1.8