1 TwrIntersection02.java:25:21: compiler.err.unreported.exception.need.to.catch.or.throw: TwrIntersection02.Exception2
   2 TwrIntersection02.java:31:21: compiler.err.unreported.exception.need.to.catch.or.throw: TwrIntersection02.Exception1
   3 2 errors