Analysis of exception examples thrown by java queue

1. When the queue is full and the element is inserted into the queue again, an IllegalStateException (QueueFull) exception will be thrown.

2. If the queue is empty, extracting an element from the queue will cause a NoSuchElementException exception.

Example

public class MyBlockQueue {
    public static void main(String[] args) {
        ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<Integer>(3);
        new Thread(()->{
            q.add(1);
            System.out.println(Thread.currentThread().getName()+"放入一个元素");
            q.add(2);
            System.out.println(Thread.currentThread().getName()+"放入一个元素");
            q.add(3);
            System.out.println(Thread.currentThread().getName()+"放入一个元素");
        },"线程1").start();
 
        new Thread(()->{
            q.remove();
            System.out.println(Thread.currentThread().getName()+"拿走一个元素");
            q.remove();
            System.out.println(Thread.currentThread().getName()+"拿走一个元素");
            q.remove();
            System.out.println(Thread.currentThread().getName()+"拿走一个元素");
            q.remove();
            System.out.println(Thread.currentThread().getName()+"拿走一个元素");
        },"线程2").start();
    }
}

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