华为 Java 高级面试题：有两个线程，一个输出字母，一个输出数字，交替输出 1A2B3C4D.......26Z
最编程
2024-04-19 17:12:41
...
public static void main(String[] args) {
char[] aI = "1234567".toCharArray();
char[] aC = "ABCDEFG".toCharArray();
Lock lock = new ReentrantLock();
Condition conditionT1 = lock.newCondition();
Condition conditionT2 = lock.newCondition();
new Thread(() -> {
try {
lock.lock();
for (char c : aI) {
System.out.print(c);
conditionT2.signal();
conditionT1.await();
}
conditionT2.signal();
} catch (Exception e) {
e.printStackTrace();
} finally {
lock.unlock();
}
}, "t1").start();
}