| Buffer | A container for data of a specific primitive type. |
| ByteBuffer | A byte buffer. |
| ByteOrder | A typesafe enumeration for byte orders. |
| FloatBuffer | A float buffer. |
| IntBuffer | An int buffer. |
| ShortBuffer | A short buffer. |
| BufferOverflowException | Unchecked exception thrown when a relative put operation reaches the target buffer's limit. |
| BufferUnderflowException | Unchecked exception thrown when a relative get operation reaches the source buffer's limit. |