Adding exam part 1/4

Exam/part1/Song.h

@@ -0,0 +1,41 @@
+#pragma once
+#include <string>
+
+struct TSong
+{
+	std::string title;
+	std::string artist;
+
+	TSong(std::string aTitle, std::string aArtist)
+		: title(aTitle), artist(aArtist) {
+	}
+};
+
+// TMusicPlayerApp.h
+#pragma once
+#include "TLinkedList.hpp"
+#include "TQueue.hpp"
+#include "TStack.hpp"
+#include "TSong.h"
+#include <string>
+
+class TMusicPlayerApp
+{
+private:
+	// Attributes
+	TLinkedList<TSong*> mSongLibrary;
+	TQueue<TSong*>      mMainQueue;
+	TQueue<TSong*>      mWishQueue;
+	TStack<TSong*>      mHistoryStack;
+
+	// Private helper for loading
+	void LoadLibrary(const std::string& aFilename);
+
+public:
+	// Constructor / Destructor
+	TMusicPlayerApp(const std::string& aSongFilename);
+	~TMusicPlayerApp(); // Will be empty, destructors of attributes handle it
+
+	// Public API for RunApp() to call
+	// ... (we will define these next)
+};