New analyzer snapshot.

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

 library java.core;
 
 import "dart:math" as math;
 
 class JavaSystem {
   static int currentTimeMillis() {
     return (new DateTime.now()).millisecondsSinceEpoch;
   }
 
   static void arraycopy(List src, int srcPos, List dest, int destPos, int length) {
@@ skipping 64 matching lines @@
         oTypeName == "ConstTopLevelVariableElementImpl") {
       return true;
     }
   }
   // no
   return false;
 }
 
 class JavaArrays {
   static bool equals(List a, List b) {
+    if (identical(a, b)) {
+      return true;
+    }
     if (a.length != b.length) {
       return false;
     }
     var len = a.length;
     for (int i = 0; i < len; i++) {
       if (a[i] != b[i]) {
         return false;
       }
     }
     return true;
@@ skipping 299 matching lines @@
   });
   return result;
 }
 
 javaListSet(List list, int index, newValue) {
   var oldValue = list[index];
   list[index] = newValue;
   return oldValue;
 }
 
-bool javaSetAdd(Set s, o) {
-  if (!s.contains(o)) {
-    s.add(o);
-    return true;
-  }
-  return false;
-}
-
 bool javaCollectionContainsAll(Iterable list, Iterable c) {
   return c.fold(true, (bool prev, e) => prev && list.contains(e));
 }
 
 javaMapPut(Map target, key, value) {
   var oldValue = target[key];
   target[key] = value;
   return oldValue;
 }
 
-void javaMapPutAll(Map target, Map source) {
-  source.forEach((k, v) {
-    target[k] = v;
-  });
-}
-
 bool javaStringEqualsIgnoreCase(String a, String b) {
   return a.toLowerCase() == b.toLowerCase();
 }
 
 bool javaStringRegionMatches(String t, int toffset, String o, int ooffset, int len) {
   if (toffset < 0) return false;
   if (ooffset < 0) return false;
   var tend = toffset + len;
   var oend = ooffset + len;
   if (tend > t.length) return false;
@@ skipping 60 matching lines @@
     if (!_matches.moveNext()) {
       return false;
     }
     _match = _matches.current;
     return true;
   }
   String group(int i) => _match[i];
   int start() => _match.start;
   int end() => _match.end;
 }