mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-26 00:46:28 +08:00
6069cb89a7
* modified array.kt. * feat(kotlin): add kotlin code for the chapter of stack and queue. * modified array.kt * modified comments.
39 lines
No EOL
827 B
Kotlin
39 lines
No EOL
827 B
Kotlin
/**
|
|
* File: queue.kt
|
|
* Created Time: 2024-01-25
|
|
* Author: curtishd (1023632660@qq.com)
|
|
*/
|
|
|
|
package chapter_stack_and_queue
|
|
|
|
import java.util.*
|
|
|
|
/* Driver Code */
|
|
fun main() {
|
|
/* 初始化队列 */
|
|
val queue = LinkedList<Int>()
|
|
|
|
/* 元素入队 */
|
|
queue.offer(1)
|
|
queue.offer(3)
|
|
queue.offer(2)
|
|
queue.offer(5)
|
|
queue.offer(4)
|
|
println("队列 queue = $queue")
|
|
|
|
/* 访问队首元素 */
|
|
val peek = queue.peek()
|
|
println("队首元素 peek = $peek")
|
|
|
|
/* 元素出队 */
|
|
val pop = queue.poll()
|
|
println("出队元素 pop = $pop，出队后 queue = $queue")
|
|
|
|
/* 获取队列的长度 */
|
|
val size = queue.size
|
|
println("队列长度 size = $size")
|
|
|
|
/* 判断队列是否为空 */
|
|
val isEmpty = queue.isEmpty()
|
|
println("队列是否为空 = $isEmpty")
|
|
} |