New analyzer_experimental snapshot.

editor/util/plugins/com.google.dart.java2dart/resources/java_core.dart

 library java.core;
 
 import "dart:math" as math;
 import "dart:collection" show ListBase;
 
 class JavaSystem {
   static int currentTimeMillis() {
     return (new DateTime.now()).millisecondsSinceEpoch;
   }
 
@@ skipping 275 matching lines @@
   if (uri.path.isEmpty) {
     throw new URISyntaxException();
   }
   return uri;
 }
 
 class URISyntaxException implements Exception {
   String toString() => "URISyntaxException";
 }
 
-class IOException implements Exception {
-  String toString() => "IOException";
-}
-
 class MissingFormatArgumentException implements Exception {
   final String s;
 
   String toString() => "MissingFormatArgumentException: $s";
 
   MissingFormatArgumentException(this.s);
 }
 
 class ListWrapper<E> extends ListBase<E> implements List<E> {
   List<E> elements = new List<E>();
@@ skipping 198 matching lines @@
       }
     } else if (sb.length > newLength) {
       var s = sb.toString().substring(0, newLength);
       sb = new StringBuffer(s);
     }
   }
   void clear() {
     sb = new StringBuffer();
   }
 }