diff --git a/Include/Core/Classes/AbstractByteBuffer.hpp b/Include/Core/Classes/AbstractByteBuffer.hpp
new file mode 100644
index 0000000..44da364
--- /dev/null
+++ b/Include/Core/Classes/AbstractByteBuffer.hpp
@@ -0,0 +1,20 @@
+#ifndef ABSTRACTBYTEBUFFER_HPP_INCLUDED
+#define ABSTRACTBYTEBUFFER_HPP_INCLUDED
+
+#include "../JavaClass/Object.hpp"
+#include "../JavaClass/Class.hpp"
+
+namespace Internal
+{
+    class AbstractByteBuffer : public Object
+    {
+        public:
+            AbstractByteBuffer();
+            AbstractByteBuffer(const void* Obj);
+            AbstractByteBuffer(const AbstractByteBuffer& A);
+            static Class GetClass();
+
+    };
+}
+
+#endif // ABSTRACTBYTEBUFFER_HPP_INCLUDED
diff --git a/Include/Core/Classes/DirectByteBuffer.hpp b/Include/Core/Classes/DirectByteBuffer.hpp
new file mode 100644
index 0000000..3d18c38
--- /dev/null
+++ b/Include/Core/Classes/DirectByteBuffer.hpp
@@ -0,0 +1,23 @@
+#ifndef DIRECTBYTEBUFFER_HPP_INCLUDED
+#define DIRECTBYTEBUFFER_HPP_INCLUDED
+
+#include "AbstractByteBuffer.hpp"
+#include "../JavaClass/Class.hpp"
+#include "../JavaClass/ByteBuffer.hpp"
+
+namespace Internal
+{
+    class DirectByteBuffer : public AbstractByteBuffer
+    {
+        public:
+            DirectByteBuffer();
+            DirectByteBuffer(const void* Obj);
+            DirectByteBuffer(const DirectByteBuffer& D);
+            static Class GetClass();
+
+            ByteBuffer GetBuffer() const;
+
+    };
+}
+
+#endif // DIRECTBYTEBUFFER_HPP_INCLUDED
diff --git a/Include/Core/Internal.hpp b/Include/Core/Internal.hpp
index b1d8f1f..332d428 100644
--- a/Include/Core/Internal.hpp
+++ b/Include/Core/Internal.hpp
@@ -18,6 +18,7 @@
 #include "Types/Area.hpp"
 #include "Types/Logger.hpp"
 
+#include "JavaClass/ByteBuffer.hpp"
 #include "JavaClass/Canvas.hpp"
 #include "JavaClass/FocusEvent.hpp"
 #include "JavaClass/Integer.hpp"
@@ -28,6 +29,7 @@
 #include "JavaClass/MouseWheelEvent.hpp"
 #include "JavaClass/Object.hpp"
 
+#include "Classes/AbstractByteBuffer.hpp"
 #include "Classes/Animation.hpp"
 #include "Classes/AttackOption.hpp"
 #include "Classes/Cache.hpp"
@@ -38,6 +40,7 @@
 #include "Classes/ClanMemberList.hpp"
 #include "Classes/DecorativeObject.hpp"
 #include "Classes/Deque.hpp"
+#include "Classes/DirectByteBuffer.hpp"
 #include "Classes/DynamicObject.hpp"
 #include "Classes/ExchangeOffer.hpp"
 #include "Classes/Frame.hpp"
diff --git a/Include/Core/JavaClass/ByteBuffer.hpp b/Include/Core/JavaClass/ByteBuffer.hpp
new file mode 100644
index 0000000..e28a0e2
--- /dev/null
+++ b/Include/Core/JavaClass/ByteBuffer.hpp
@@ -0,0 +1,19 @@
+#ifndef BYTEBUFFER_HPP_INCLUDED
+#define BYTEBUFFER_HPP_INCLUDED
+
+#include "Object.hpp"
+#include <cstdint>
+
+class ByteBuffer : public Object
+{
+    public:
+        ByteBuffer();
+        ByteBuffer(void* Obj);
+        ByteBuffer(const ByteBuffer& B);
+
+        std::int32_t GetCapacity() const;
+        std::int8_t Get(std::int32_t Index) const; // still need to implement.
+
+};
+
+#endif // BYTEBUFFER_HPP_INCLUDED
diff --git a/Library/libAlpacaLibrary.a b/Library/libAlpacaLibrary.a
index 730266a..1b41504 100644
Binary files a/Library/libAlpacaLibrary.a and b/Library/libAlpacaLibrary.a differ