Implement getRange (returning an Iterable).

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

 library java.core;
 
 import "dart:math" as math;
 import "dart:uri";
 
 class JavaSystem {
   static int currentTimeMillis() {
     return (new DateTime.now()).millisecondsSinceEpoch;
   }
 
@@ skipping 306 matching lines @@
   }
 
   E removeLast() {
     return elements.removeLast();
   }
 
   Iterable<E> get reversed => elements.reversed;
 
   List<E> sublist(int start, [int end]) => elements.sublist(start, end);
 
-  List<E> getRange(int start, int length) => sublist(start, start + length);
+  Iterable<E> getRange(int start, int end) => elements.getRange(start, end);
 
   void setRange(int start, int length, List<E> from, [int startFrom]) {
     elements.setRange(start, length, from, startFrom);
   }
 
   void removeRange(int start, int length) {
     elements.removeRange(start, length);
   }
 
   void insertRange(int start, int length, [E fill]) {
@@ skipping 99 matching lines @@
       }
     } else if (sb.length > newLength) {
       var s = sb.toString().substring(0, newLength);
       sb = new StringBuffer(s);
     }
   }
   void clear() {
     sb = new StringBuffer();
   }
 }