1 BadSwitchExpressionLambda.java:18:26: compiler.err.prob.found.req: (compiler.misc.incompatible.ret.type.in.lambda: (compiler.misc.switch.expression.target.cant.be.void)) 2 - compiler.note.preview.filename: BadSwitchExpressionLambda.java 3 - compiler.note.preview.recompile 4 1 error