AutoCloseable interface

AutoClosable interface esures that a resource is closed when it is no longer required. AutoClosable interface has one method in it. AutoClosable interface exist from java 1.7 onwards.

void close() throws Exception

closes the resource, when it is no longer required. This method executes automatically, for the resources maintained by try with resource statement. This method throws an exception if this resource cannot be closed

Some of the classes implementing the AutClosable interface are

FileInputStream, FileLock, FileOutputStream, FileReader, FileSystem, FileWriter, FilterInputStream, FilterOutputStream etc.,

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