public interface Closeable extends AutoCloseable
Closeableis 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).
void close() throws IOException
As noted in
AutoCloseable.close(), cases where the
close may fail require careful attention. It is strongly advised
to relinquish the underlying resources and to internally
Closeable as closed, prior to throwing