build

docs/chapter_stack_and_queue/queue.md

@@ -315,6 +315,32 @@ comments: true
 === "Kotlin"
 
     ```kotlin title="queue.kt"
+    /* 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)
+    
+    /* 访问队首元素 */
+    val peek = queue.peek()
+    
+    /* 元素出队 */
+    val pop = queue.poll()
+    
+    /* 获取队列的长度 */
+    val size = queue.size
+    
+    /* 判断队列是否为空 */
+    val isEmpty = queue.isEmpty()
+    ```
+
+=== "Ruby"
+
+    ```ruby title="queue.rb"
 
     ```
 
@@ -1196,6 +1222,12 @@ comments: true
     }
     ```
 
+=== "Ruby"
+
+    ```ruby title="linkedlist_queue.rb"
+    [class]{LinkedListQueue}-[func]{}
+    ```
+
 === "Zig"
 
     ```zig title="linkedlist_queue.zig"
@@ -2176,6 +2208,12 @@ comments: true
     }
     ```
 
+=== "Ruby"
+
+    ```ruby title="array_queue.rb"
+    [class]{ArrayQueue}-[func]{}
+    ```
+
 === "Zig"
 
     ```zig title="array_queue.zig"