Given:
2. class Jog implements Runnable {
3. public void run() {
4. for(int i = 0; i ＜ 8; i++) {
5. try {Thread.sleep(200); }
6. catch (Exception e) {System.out.print("exc "); }
7. System.out.print (i + " ");
8. } } }
9. public class Marathon {
10. public static void main(String[] args) throws Exception {
11. Jog j1 = new Jog();
12. Thread t1 = new Thread(j1);
13. t1.start();
14. t1.sleep(500);
15. System.out.print("pre ");
16. t1. interrupt();
17. t1.sleep(500);
18. System.out.print("post ");
19. } }
Assuming that sleep() sleeps for about the amount of time specified in its argument, and that all other code runs almost instantly, which output is likely (Choose all that apply.)

单项选择题Given that the current directory is bigApp, and the following directory structure:bigApp|-- classes|-- source|-- com|-- wickedlysmart|-- BigAppClassl.javaAnd the code:package com.wickedlysmart;public class BigAppClassl {int doStuff() {return 42; }}And the following command-line invocations:Ⅰ. javac -d source com wickedlysmart BigAppClassl.javaⅡ. javac -d classes source com wickedlysmart BigAppClassl.javaⅢ. javac -d classes com wickedlysmartsource com wickedlysmart BigAppClassl.javaWhich are true (Choose all that apply.)

多项选择题Given:1. import java.util.*;2. public class Ps {3. public static void main(String[] args) {4. PriorityQueue＜String＞ pq = new PriorityQueue＜String＞();5. pq.add( 4 );6. pq.add( 7 );7. pq.add( 2 );8. insert code here9. } }Which code fragment(s), inserted independently at line 8, produce the output 2-4-7- (Choose all that apply.)