| 4 | import java.util.concurrent.locks.ReentrantLock; |
| 5 | |
| 6 | public class Chopstick { |
| 7 | private Lock lock; |
| 8 | |
| 9 | public Chopstick() { |
| 10 | lock = new ReentrantLock(); |
| 11 | } |
| 12 | |
| 13 | public boolean pickUp() { |
| 14 | return lock.tryLock(); |
| 15 | } |
| 16 | |
| 17 | public void putDown() { |
| 18 | lock.unlock(); |
| 19 | } |
| 20 | } |
nothing calls this directly
no outgoing calls
no test coverage detected