title: how to putExtra and intent class together with one intent
body: <p>i want use one intent that intent class with put extra </p>
  
  <pre><code> case R.id.button_6:
      {
          Intent intent = new Intent(this, class_);
          this.startActivity(intent);
  
          Intent i = new Intent(getApplicationContext(), class_.class);
          i.putExtra("data",data);
          startActivity(i);
      }
  </code></pre>