feat: 연결 리스트 기반 큐 구현 시작

Author: ksundong

yoonexample/src/main/java/queue/LinkedListQueue.java

@@ -0,0 +1,43 @@
+package queue;
+
+public class LinkedListQueue<E> implements Queue<E> {
+
+  private int size;
+  private Node<E> front;
+  private Node<E> rear;
+
+  @Override
+  public int size() {
+    return this.size;
+  }
+
+  @Override
+  public boolean isEmpty() {
+    return this.size == 0;
+  }
+
+  @Override
+  public void enqueue(E data) {
+
+  }
+
+  @Override
+  public E dequeue() {
+    return null;
+  }
+
+  @Override
+  public E peek() {
+    return null;
+  }
+
+  private static class Node<T> {
+
+    private T data;
+    private Node<T> next;
+
+    public Node(T data) {
+      this.data = data;
+    }
+  }
+}