Data transport between 2 activity

// data transport between 2 activity
public class RootClassActivity extends Activity {
    public void goToNextPagePress(View view){
        Intent intent = new Intent();
        intent.setClass(RootClassActivity.this, NodeClassActivity.class);
        startActivityForResult(intent, 0);
    }

    @Override
    protected void onActivityResult (int requestCode, int resultCode, Intent data) {
        // requestCode = 0
        // resultCode = 1
    }
}

public class NodeClassActivity extends Activity {

    public void backBtnPress(View view) {
        // return data to persent activity
        this.setResult(1, this.getIntent());
        this.finish();
    }
}