1 ArmFlow.java:14:11: compiler.err.except.never.thrown.in.try: java.io.IOException
   2 ArmFlow.java:24:11: compiler.err.except.never.thrown.in.try: java.io.IOException
   3 ArmFlow.java:12:46: compiler.err.unreported.exception.need.to.catch.or.throw: CustomCloseException
   4 ArmFlow.java:22:26: compiler.err.unreported.exception.need.to.catch.or.throw: CustomCloseException
   5 4 errors