1ExpressionSwitch.java:40:16: compiler.err.feature.not.supported.in.source.plural: (compiler.misc.feature.switch.expressions), 9, 14 2ExpressionSwitch.java:41:20: compiler.err.feature.not.supported.in.source.plural: (compiler.misc.feature.switch.rules), 9, 14 3ExpressionSwitch.java:93:31: compiler.err.feature.not.supported.in.source.plural: (compiler.misc.feature.multiple.case.labels), 9, 14 43 errors 5