Merge pull request #3 from WorksApplications/fix-for-java9

Fix for java9

Author: takaoka-k-wap

pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.worksap.nlp</groupId>
   <artifactId>jdartsclone</artifactId>
-  <version>1.0.0</version>
+  <version>1.0.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Darts-clone</name>
 

src/main/java/com/worksap/nlp/dartsclone/details/DoubleArrayBuilder.java

@@ -16,6 +16,7 @@
 
 package com.worksap.nlp.dartsclone.details;
 
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.ArrayList;
@@ -65,7 +66,7 @@ public ByteBuffer copy() {
         for (DoubleArrayBuilderUnit u : units) {
             buffer.putInt(u.unit);
         }
-        buffer.rewind();
+        ((Buffer)buffer).rewind();
         return buffer;
     }