1 ArmFlow.java:15:11: compiler.err.except.never.thrown.in.try: java.io.IOException
   2 ArmFlow.java:25:11: compiler.err.except.never.thrown.in.try: java.io.IOException
   3 ArmFlow.java:13:46: compiler.err.unreported.exception.need.to.catch.or.throw: CustomCloseException
   4 ArmFlow.java:23:26: compiler.err.unreported.exception.need.to.catch.or.throw: CustomCloseException
   5 4 errors