Correcting spelling problems

src/main/java/com/alibaba/fastjson/JSON.java

@@ -267,7 +267,7 @@ public static JSONObject parseObject(String text) {
      * List<Model> models = JSON.parseObject(jsonStr, new TypeReference<List<Model>>() {});
      * </pre>
      * @param text json string
-     * @param type type refernce
+     * @param type type reference
      * @param features parser features
      * @return an object of type T from the string
      */

src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java

@@ -1278,7 +1278,7 @@ public final void parseArray(final Collection array, Object fieldName) {
                 }
             }
         } catch (ClassCastException e) {
-            throw new JSONException("unkown error", e);
+            throw new JSONException("unknown error", e);
         } finally {
             this.setContext(context);
         }

src/main/java/com/alibaba/fastjson/parser/deserializer/ASMDeserializerFactory.java

@@ -706,7 +706,7 @@ private void _deserialze(ClassWriter cw, Context context) {
         mw.visitJumpInsn(GOTO_W, return_);
         mw.visitLabel(continue_3);
 
-        mw.visitInsn(ICONST_0); // UNKOWN
+        mw.visitInsn(ICONST_0); // UNKNOWN
         mw.visitIntInsn(ISTORE, context.var("matchStat"));
 
         int fieldListSize = context.fieldInfoList.length;

src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java

@@ -334,7 +334,7 @@ public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName)
             try {
                 return (T) InetAddress.getByName(strVal);
             } catch (UnknownHostException e) {
-                throw new JSONException("deserialize inet adress error", e);
+                throw new JSONException("deserialize inet address error", e);
             }
         }