title: How to remove a single objects stored on Java FileOutputStream
body: <p>I have used this code to store Object to a file:</p>
  
  <pre><code>try{  
        FileOutputStream saveFile=new FileOutputStream("SaveObj.sav");
  
  
        ObjectOutputStream save = new ObjectOutputStream(saveFile);
  
        save.writeObject(x);
  
        save.close();
      }
      catch(Exception exc){
        exc.printStackTrace();
      }
    }
  }
  </code></pre>
  
  <p>How remove the single Object??
  How clear the file??</p>