closeable and flushable interfaces in Java 5

Java 5 has two separate interfaces in java.io package.

• Closeable
• A Closeable is a source or destination of data that can be closed. The close method is invoked to release resources that the object is holding (such as open files).
• Flushable
• A Flushable is a destination of data that can be flushed. The flush method is invoked to write any buffered output to the underlying stream.