Add kotlin code for the chapter of stack and queue (#1162)

* modified array.kt.

* feat(kotlin): add kotlin code for the chapter of stack and queue.

* modified array.kt

* modified comments.
This commit is contained in:
curtishd
2024-03-23 19:33:18 +08:00
committed by GitHub
parent 3d3e16fcd7
commit 6069cb89a7
10 changed files with 802 additions and 1 deletions
@@ -0,0 +1,45 @@
/**
* File: deque.kt
* Created Time: 2024-01-25
* Author: curtishd (1023632660@qq.com)
*/
package chapter_stack_and_queue
import java.util.*
/* Driver Code */
fun main() {
/* 初始化双向队列 */
val deque = LinkedList<Int>()
deque.offerLast(3)
deque.offerLast(2)
deque.offerLast(5)
println("双向队列 deque = $deque")
/* 访问元素 */
val peekFirst = deque.peekFirst()
println("队首元素 peekFirst = $peekFirst")
val peekLast = deque.peekLast()
println("队尾元素 peekLast = $peekLast")
/* 元素入队 */
deque.offerLast(4)
println("元素 4 队尾入队后 deque = $deque")
deque.offerFirst(1)
println("元素 1 队首入队后 deque = $deque")
/* 元素出队 */
val popLast = deque.pollLast()
println("队尾出队元素 = $popLast,队尾出队后 deque = $deque")
val popFirst = deque.pollFirst()
println("队首出队元素 = $popFirst,队首出队后 deque = $deque")
/* 获取双向队列的长度 */
val size = deque.size
println("双向队列长度 size = $size")
/* 判断双向队列是否为空 */
val isEmpty = deque.isEmpty()
println("双向队列是否为空 = $isEmpty")
}