package app.test;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class Test extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
TextView tv = new TextView(this);
tv.setText("5! = " + factorial(5));
setContentView(tv);
}
public static long factorial(long n) {
if (n <= 0)
return 1;
else
return n * factorial(n - 1);
}
}