1 - compiler.warn.source.no.bootclasspath: 6

     2 - compiler.warn.option.obsolete.source: 6

     3 - compiler.warn.option.obsolete.suppression

     4 WeirdTwr.java:14:12: compiler.err.feature.not.supported.in.source: (compiler.misc.feature.try.with.resources), 6, 7

     5 1 error

     6 3 warnings