Android, send data from Activity1 to Activity2, 액티비티 호출시 데이터 보내기

*** Activity1

                Intent myIntent = new Intent(getBaseContext(), Activity2.class);
                myIntent.putExtra("data1","value1");
                startActivity(myIntent);

*** Activity2

        Bundle extras = getIntent().getExtras();
        if (extras != null) {
            String value = extras.getString("data1");

//            Toast toast = Toast.makeText(Activity2.this, value, Toast.LENGTH_SHORT);
//            toast.show();

        }