Notice how this method accounts for possible weak references in the queue with the do-while loop.

请注意该方法如何用do - while循环来处理队列中可能存在的弱引用。

youdao

The upper half of this figure shows the three modeling elements to represent a while loop, a do-while loop, and a for loop.

此图的上半部分显示了三种建模元素，分别表示while loop、do-while loop和 for loop。

youdao

The upper half of this figure shows the three modeling elements to represent a while loop, a do-while loop, and a for loop.

此图的上半部分显示了三种建模元素，分别表示while loop、do-while loop和 for loop。

youdao