import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public class ConcurrentResource {
private Lock lock;
private int sharedData;
public ConcurrentResource() {
lock = new ReentrantLock();
sharedData = 0;
}
public void incrementData() {
lock.lock();
try {
sharedData++;
} finally {
lock.unlock();
}
}
public int getSharedData() {
lock.lock();
try {
return sharedData;
} finally {
lock.unlock();
}
}
}
