多选题 Given:
3. class Stereo {void makeNoise() {assert false; } }
4. public class BoomBox extends Stereo {
5. public static void main(String[] args) {
6. new BoomBex() .go(args);
7. }
8. void go(String[] args) {
9. if(args.length ＞ 0) makeNoise();
10. if(!args[0] .equals ("x")) System.out.println("!x");
11. } }
And, if the code compiles, the invocation:
java -ea BoomBox
What is the result?