feat: 이진 트리 구현체 작성

네이밍이 조금 맘에 안들긴 하지만...

Author: ksundong

yoonexample/src/main/java/tree/binarytree/BinaryTreeNodeImpl.java

@@ -0,0 +1,37 @@
+package tree.binarytree;
+
+public class BinaryTreeNodeImpl<E> implements BinaryTreeNode<E> {
+
+  private final E data;
+  private BinaryTreeNode<E> left;
+  private BinaryTreeNode<E> right;
+
+  public BinaryTreeNodeImpl(E data) {
+    this.data = data;
+  }
+
+  @Override
+  public E getData() {
+    return this.data;
+  }
+
+  @Override
+  public BinaryTreeNode<E> getLeftSubTree() {
+    return this.left;
+  }
+
+  @Override
+  public void setLeftSubTree(BinaryTreeNode<E> subTree) {
+    this.left = subTree;
+  }
+
+  @Override
+  public BinaryTreeNode<E> getRightSubTree() {
+    return this.right;
+  }
+
+  @Override
+  public void setRightSubTree(BinaryTreeNode<E> subTree) {
+    this.right = subTree;
+  }
+}