1 files changed, 15 insertions, 0 deletions
diff --git a/projects/project4_huffman_tree/BinaryNodeInterface.java b/projects/project4_huffman_tree/BinaryNodeInterface.java
new file mode 100644
index 0000000..f3ac7c1
--- /dev/null
+++ b/projects/project4_huffman_tree/BinaryNodeInterface.java
@@ -0,0 +1,15 @@
+
+public interface BinaryNodeInterface<T>
+{
+	public T getData();
+	public void setData(T newData);
+	public BinaryNodeInterface<T> getLeftChild();
+	public BinaryNodeInterface<T> getRightChild();
+	public void setLeftChild(BinaryNodeInterface<T> leftChild);
+	public void setRightChild(BinaryNodeInterface<T> rightChild);
+	public boolean hasLeftChild();
+	public boolean hasRightChild();
+	public boolean isLeaf();
+	public int getNumberOfNodes();
+	public int getHeight();
+}