public void onListItemClick(ListView parent, View v, int position, long id) {
    Toast.makeText(this, "You have selected " + exhibits.get(position), Toast.LENGTH_SHORT).show();
    //Intent i = new Intent(this, ExhibitOpen.class);
    Intent i = new Intent(this, edu.foothill.junk.ExhibitOpen.class);
    Log.d("DUDUDUDU", exhibits.get(position).getName());

    Bundle bundle = new Bundle();
    bundle.putSerializable("MyClass", (Serializable) exhibits.get(position));
    i.putExtras(bundle);
    startActivity(i);
}

Intent i = getIntent();
dene = (Exhibit)i.getSerializableExtra("MyClass");