隊(duì)列
優(yōu)先隊(duì)列
優(yōu)先隊(duì)列內(nèi)置了堆的實(shí)現(xiàn)
PriorityQueue <E> t = new PriorityQueue <>();
// 添加元素
offer(E e)
// 返回隊(duì)首元素,隊(duì)首元素不出隊(duì)列
peek()
// 返回隊(duì)首元素哗戈,隊(duì)首元素出隊(duì)列
q.poll();
優(yōu)先隊(duì)列內(nèi)置了堆的實(shí)現(xiàn)
PriorityQueue <E> t = new PriorityQueue <>();
// 添加元素
offer(E e)
// 返回隊(duì)首元素,隊(duì)首元素不出隊(duì)列
peek()
// 返回隊(duì)首元素哗戈,隊(duì)首元素出隊(duì)列
q.poll();