Android, SharedPreferences, put data with same name

SharedPreferences share = context.getSharedPreferences("share1", Context.MODE_PRIVATE);

SharedPreferences.Editor edit = share.edit();

edit.putInt(PREFS_NAME, 1);

edit.commit();

int intdata = share.getInt(PREFS_NAME, 0);

//intdata = 1

edit.putString(PREFS_NAME, "new String");

edit.commit();

String strdata = share.getString(PREFS_NAME, "");

//strdata = "new String"

intdata = share.getInt(PREFS_NAME, 0);

//java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer