[model] Clean Java classes.

be-graphes-model/src/main/java/org/insa/graphs/model/io/BinaryPathWriter.java

@@ -30,7 +30,7 @@ public class BinaryPathWriter extends BinaryWriter implements PathWriter {
         dos.writeInt(BinaryPathReader.VERSION);
 
         // Write map id.
-        byte[] bytes = Arrays.copyOf(path.getGraph().getMapId().getBytes("UTF-8"),
+        final byte[] bytes = Arrays.copyOf(path.getGraph().getMapId().getBytes("UTF-8"),
                 BinaryGraphReader.MAP_ID_FIELD_LENGTH);
         dos.write(bytes);
 
@@ -48,7 +48,6 @@ public class BinaryPathWriter extends BinaryWriter implements PathWriter {
         }
 
         dos.flush();
-        dos.close();
     }
 
 }