1 lock实现
public class ABCLock {
private static Lock lock = new ReentrantLock();
private static Condition conditionA = lock.newCondition();
private static Condition conditionB = lock.newCondition();
private static Condition conditionC = lock.newCondition();
private static int count = 1;
private static Thread threadA = new Thread(new Runnable() {
@Override
public void run() {
while (true) {
try {
lock.lock();
while (count % 3 == 1) {
System.out.print("A");
Thread.sleep(500);
count++;
}
} catch (Exception e) {
} finally {
lock.unlock();
}
}
}
});
private static Thread threadB = new Thread(new Runnable() {
@Override
public void run() {
while (true) {
try {
lock.lock();
while (count % 3 == 2) {
System.out.print("B");
Thread.sleep(500);
count++;
}
} catch (Exception e) {
} finally {
lock.unlock();
}
}
}
});
private static Thread threadC = new Thread(new Runnable() {
@Override
public void run() {
while (true) {
try {
lock.lock();
while (count % 3 == 0) {
System.out.print("C");
Thread.sleep(500);
count++;
}
} catch (Exception e) {
} finally {
lock.unlock();
}
}
}
});
public static void main(String[] args) throws InterruptedException {
threadA.start();
threadB.start();
threadC.start();
Thread.currentThread().join();
}
}public class ABCLock {
priv
