Minor clean up from #125

Author: cowtowncoder

jr-annotation-support/src/main/java/com/fasterxml/jackson/jr/annotationsupport/AnnotationBasedIntrospector.java

@@ -664,11 +664,9 @@ private static Set<String> _collectAliases(APropAccessor<?> acc, Set<String> col
                     if (ann != null) {
                         final String[] names = ann.value();
                         if (collectedAliases == null) {
-                            collectedAliases = new HashSet<String>();
-                        }
-                        for (String alias : names) {
-                            collectedAliases.add(alias);
+                            collectedAliases = new HashSet<>();
                         }
+                        collectedAliases.addAll(Arrays.asList(names));
                     }
                 }
             }

jr-objects/src/main/java/com/fasterxml/jackson/jr/type/TypeBindings.java

@@ -14,7 +14,7 @@ public final class TypeBindings
 
     private final static String[] NO_STRINGS = new String[0];
 
-    private final static ResolvedType[] NO_TYPES = new ResolvedType[0];
+    private final static ResolvedType[] NO_TYPES = ResolvedType.NO_TYPES;
 
     private final static TypeBindings EMPTY = new TypeBindings(NO_STRINGS, NO_TYPES, null);
 

jr-objects/src/main/java/com/fasterxml/jackson/jr/type/TypeResolver.java

@@ -21,7 +21,7 @@ public class TypeResolver implements Serializable
 {
     private static final long serialVersionUID = 1L;
 
-    private final static ResolvedType[] NO_TYPES = new ResolvedType[0];
+    private final static ResolvedType[] NO_TYPES = ResolvedType.NO_TYPES;
 
     // // Pre-created instances
 

jr-stree/src/main/java/com/fasterxml/jackson/jr/stree/JrsNumber.java

@@ -102,9 +102,9 @@ public BigDecimal asBigDecimal() throws IOException {
             return new BigDecimal((BigInteger) _value);
         }
         if ((_value instanceof Double) || (_value instanceof Float)) {
-            return new BigDecimal(_value.doubleValue());
+            return BigDecimal.valueOf(_value.doubleValue());
         }
-        return new BigDecimal(_value.longValue());
+        return BigDecimal.valueOf(_value.longValue());
     }
 
     /*

jr-stree/src/main/java/com/fasterxml/jackson/jr/stree/JrsObject.java

@@ -87,9 +87,6 @@ protected JrsValue _at(JsonPointer ptr) {
      */
 
     public Iterator<Map.Entry<String, JrsValue>> fields() {
-        if (_values.isEmpty()) {
-            return _values.entrySet().iterator();
-        }
         return _values.entrySet().iterator();
     }