message: fix: bugs in benchmark of java api of http;
  by yangchaofan
diff: @@ -30,7 +30,7 @@ class MyThread extends Thread {
  // DataOutputStream of = new DataOutputStream(new FileOutputStream(f));
  // of.writeBytes(t.getName()+" "+t.getId()+"\n");
  // of.writeBytes("Thread: "+num+"\n");
  - String answer = gc.query(sparql, "dbpedia", "root", "123456");
  + String answer = gc.query("root", "123456", "dbpedia", sparql);
  // of.writeBytes(answer);
  int m = 0;
  for(int i = 0; i<sparql.length(); ++i)
  