| Class | Description |
|---|---|
| BufferedReader | GDK enhancements for BufferedReader. |
| BufferedWriter | GDK enhancements for BufferedWriter. |
| DataInputStream | GDK enhancements for DataInputStream. |
| File | GDK enhancements for File. |
| InputStream | GDK enhancements for InputStream. |
| ObjectInputStream | GDK enhancements for ObjectInputStream. |
| ObjectOutputStream | GDK enhancements for ObjectOutputStream. |
| OutputStream | GDK enhancements for OutputStream. |
| PrintStream | GDK enhancements for PrintStream. |
| PrintWriter | GDK enhancements for PrintWriter. |
| Reader | GDK enhancements for Reader. |
| Writer | GDK enhancements for Writer. |