Like the toArray() method, this method acts as bridge between array-based and collection-based APIs. Further, this method allows precise control over Read More
CopyOnWriteArrayList,顾名思义,Write的时候总是要Copy,也就是说对于任何可变的操作(add、set、remove)都是伴随复制这个动作的 A thread-safe variant of ArrayList in which all mutative operations Read More