Oracle
1Z0-809 · Question #257
1Z0-809 Question #257: Real Exam Question with Answer & Explanation
The correct answer is A. Line 3: public synchronized void run() {. See the full explanation below for the reasoning.
Question
Given:
1. class MyClass implements Runnable {
2. public int value;
3. public void run() {
4. while (value < 100) {
5. value++;
6. System.out.println("value: " + value);
7. }
8. }
9. }
10. public class TestThread {
11. public static void main(String[] args) {
12. MyClass mc = new MyClass();
13. Thread a = new Thread(mc);
14. a.start();
15. Thread b = new Thread(mc);
16. b.start();
17. }
18. }
Options
- ALine 3: public synchronized void run() {
- BLine 1: class MyClass extends Thread {
- CLine 2: public volatile int value;
- DLine 2: public synchronized int value;
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