Refine kotlin code (#1241)

* style(kotlin): Improve kotlin codes readability.

* remove redundant quotes.

* style(kotlin): improve codes readability.

* style(kotlin): refine kotlin codes.

* Create kotlin.yml

* Create kotlin.yml

* Delete .github/workflows/kotlin

* Delete .github/workflows/main.yml

* Create kotlin.yml

* Update kotlin.yml

* Delete .github/workflows/kotlin.yml

* Create hello_world_workflow.main.kts

* Delete .github/workflows/hello_world_workflow.main.kts

* remove empty line
This commit is contained in:
curtishd
2024-04-09 16:26:58 +08:00
committed by GitHub
parent 41dd677338
commit 896d9a64f6
22 changed files with 158 additions and 112 deletions

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@ -7,10 +7,11 @@
package chapter_stack_and_queue
/* 基于环形数组实现的双向队列 */
/* 构造方法 */
class ArrayDeque(capacity: Int) {
private var nums = IntArray(capacity) // 用于存储双向队列元素的数组
private var front = 0 // 队首指针,指向队首元素
private var queSize = 0 // 双向队列长度
private var nums: IntArray = IntArray(capacity) // 用于存储双向队列元素的数组
private var front: Int = 0 // 队首指针,指向队首元素
private var queSize: Int = 0 // 双向队列长度
/* 获取双向队列的容量 */
fun capacity(): Int {
@ -71,7 +72,7 @@ class ArrayDeque(capacity: Int) {
return num
}
/* 访问队尾元素 */
/* 队尾出队 */
fun popLast(): Int {
val num = peekLast()
queSize--

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@ -8,9 +8,9 @@ package chapter_stack_and_queue
/* 基于环形数组实现的队列 */
class ArrayQueue(capacity: Int) {
private val nums = IntArray(capacity) // 用于存储队列元素的数组
private var front = 0 // 队首指针,指向队首元素
private var queSize = 0 // 队列长度
private val nums: IntArray = IntArray(capacity) // 用于存储队列元素的数组
private var front: Int = 0 // 队首指针,指向队首元素
private var queSize: Int = 0 // 队列长度
/* 获取队列的容量 */
fun capacity(): Int {

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@ -9,7 +9,7 @@ package chapter_stack_and_queue
/* 基于数组实现的栈 */
class ArrayStack {
// 初始化列表(动态数组)
private val stack = ArrayList<Int>()
private val stack = mutableListOf<Int>()
/* 获取栈的长度 */
fun size(): Int {
@ -40,7 +40,7 @@ class ArrayStack {
/* 将 List 转化为 Array 并返回 */
fun toArray(): Array<Any> {
return stack.toArray()
return stack.toTypedArray()
}
}
@ -63,7 +63,7 @@ fun main() {
/* 元素出栈 */
val pop = stack.pop()
println("出栈元素 pop = ${pop},出栈后 stack = ${stack.toArray().contentToString()}")
println("出栈元素 pop = $pop,出栈后 stack = ${stack.toArray().contentToString()}")
/* 获取栈的长度 */
val size = stack.size()

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@ -7,7 +7,7 @@
package chapter_stack_and_queue
/* 双向链表节点 */
class ListNode(var value: Int) {
class ListNode(var _val: Int) {
// 节点值
var next: ListNode? = null // 后继节点引用
var prev: ListNode? = null // 前驱节点引用
@ -15,9 +15,9 @@ class ListNode(var value: Int) {
/* 基于双向链表实现的双向队列 */
class LinkedListDeque {
private var front: ListNode? = null // 头节点 front ,尾节点 rear
private var rear: ListNode? = null
private var queSize = 0 // 双向队列的长度
private var front: ListNode? = null // 头节点 front
private var rear: ListNode? = null // 尾节点 rear
private var queSize: Int = 0 // 双向队列的长度
/* 获取双向队列的长度 */
fun size(): Int {
@ -64,12 +64,12 @@ class LinkedListDeque {
/* 出队操作 */
fun pop(isFront: Boolean): Int {
if (isEmpty()) throw IndexOutOfBoundsException()
if (isEmpty())
throw IndexOutOfBoundsException()
val value: Int
// 队首出队操作
if (isFront) {
value = front!!.value // 暂存头节点值
value = front!!._val // 暂存头节点值
// 删除头节点
val fNext = front!!.next
if (fNext != null) {
@ -79,7 +79,7 @@ class LinkedListDeque {
front = fNext // 更新头节点
// 队尾出队操作
} else {
value = rear!!.value // 暂存尾节点值
value = rear!!._val // 暂存尾节点值
// 删除尾节点
val rPrev = rear!!.prev
if (rPrev != null) {
@ -104,17 +104,14 @@ class LinkedListDeque {
/* 访问队首元素 */
fun peekFirst(): Int {
if (isEmpty()) {
throw IndexOutOfBoundsException()
}
return front!!.value
if (isEmpty()) throw IndexOutOfBoundsException()
return front!!._val
}
/* 访问队尾元素 */
fun peekLast(): Int {
if (isEmpty()) throw IndexOutOfBoundsException()
return rear!!.value
return rear!!._val
}
/* 返回数组用于打印 */
@ -122,7 +119,7 @@ class LinkedListDeque {
var node = front
val res = IntArray(size())
for (i in res.indices) {
res[i] = node!!.value
res[i] = node!!._val
node = node.next
}
return res
@ -163,4 +160,4 @@ fun main() {
/* 判断双向队列是否为空 */
val isEmpty = deque.isEmpty()
println("双向队列是否为空 = $isEmpty")
}
}

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@ -52,7 +52,7 @@ class LinkedListQueue(
/* 访问队首元素 */
fun peek(): Int {
if (isEmpty()) throw IndexOutOfBoundsException()
return front!!.value
return front!!._val
}
/* 将链表转化为 Array 并返回 */
@ -60,7 +60,7 @@ class LinkedListQueue(
var node = front
val res = IntArray(size())
for (i in res.indices) {
res[i] = node!!.value
res[i] = node!!._val
node = node.next
}
return res

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@ -41,7 +41,7 @@ class LinkedListStack(
/* 访问栈顶元素 */
fun peek(): Int? {
if (isEmpty()) throw IndexOutOfBoundsException()
return stackPeek?.value
return stackPeek?._val
}
/* 将 List 转化为 Array 并返回 */
@ -49,7 +49,7 @@ class LinkedListStack(
var node = stackPeek
val res = IntArray(size())
for (i in res.size - 1 downTo 0) {
res[i] = node?.value!!
res[i] = node?._val!!
node = node.next
}
return res