多选题 Given that FileNotFoundException extends IOException and given:
2. import java.io.*;
3. public class Changeup {
4. public static void main(String[] args) throws IOException {
5. new Changeup() .go();
6. new Changeup() .go2();
7. new Changeup() .go3();
8. }
9. void go() {throw new IllegalArgumentException(); }
10.
11. void go2() throws FileNotFoundException { }
12.
13. void go3() {
14. try {throw new Exception(); }
15. catch (Throwable th) {throw new NullPointerException(); }
16. } }
What is the result? (Choose all that apply.)