adding cs235

cs235/final/br_node.cpp

@@ -0,0 +1,19 @@
+#include "br_node.h"
+
+br_node::br_node(string data): data(data), color(0), parent(NULL), left(NULL), right(NULL) {}
+
+string br_node::getWord() {
+    return data;
+}
+
+int br_node::getColor() {
+    return color;
+}
+
+RedBlackNodeInterface* br_node::getLeftChild() {
+    return left;
+}
+
+RedBlackNodeInterface* br_node::getRightChild() {
+    return right;
+}