recognizing button click in android : i have seted up button1 as with id button and button two with button2 id... now here is what happening that is going out of my mind i placed this code and called a switch statment for each button under onButtonClick(view v)
but when i'm clicking any button the same thing is happening either on this code addition is happening for the both buttons. :(
 help me

public void onButtonClick(View v) {


        TextView tx = (TextView) findViewById(R.id.resultT);
        EditText e1 = (EditText) findViewById(R.id.fNum);
        EditText e2 = (EditText) findViewById(R.id.sNum);
        TextView t1 = (TextView) findViewById(R.id.result);
        Button b1 = (Button) findViewById(R.id.button);
        Button b2 = (Button) findViewById(R.id.button2);

        int numF = Integer.parseInt(e1.getText().toString());
        int numS = Integer.parseInt(e2.getText().toString());
        int sum = numF + numS;
        int mux = numF * numS;


        switch (v.getId()) {
            case R.id.button: {
                tx.setText(Integer.toString(mux));
                t1.setText(Integer.toString(mux));
            }
            case R.id.button2: {
                tx.setText(Integer.toString(sum));
                t1.setText(Integer.toString(sum));
            }
            break;
            default:
                throw new RuntimeException("I this you just places your dick in wrong hole nigga!");
        }


    }
}