Java 21

Record pattern can be used  

Reports patterns that can be replaced with record patterns.

SequencedCollection method can be used  

Reports collection API method calls that can be simplified using SequencedCollection methods.

String template can be concatenated string  

Reports string template expressions using the STR processor and offers a quick-fix to migrate back to a plain string concatenation.

String template can be used  

Reports String concatenations that can be simplified by replacing them with a string template.