The only difference between StringBuffer and StringBuilder is StringBuffer is thread-safe, that is StringBuffer is synchronized. whereas StringBuilder is NOT thread-safe, that is StringBuilder is NOT ...

I recently tried to update my jackson-version from 2.10.3 to 2.13.1 and it appears that the java.lang.StringBuffer can no longer be deserialized. java.lang.StringBuilder and java.lang.String both work ...

We know that strings are immutable or constants but string builder and string buffer are basically used to provide dynamic implementation of strings.but string builder is not thread safe that means ...