1 - compiler.warn.source.no.bootclasspath: 6
   2 - compiler.warn.option.obsolete.source: 6
   3 - compiler.warn.option.obsolete.suppression
   4 BadlyTypedLabel2.java:12:15: compiler.err.feature.not.supported.in.source.plural: (compiler.misc.feature.string.switch), 6, 7
   5 BadlyTypedLabel2.java:15:14: compiler.err.prob.found.req: (compiler.misc.inconvertible.types: java.math.RoundingMode, java.lang.String)
   6 2 errors
   7 3 warnings