24  */
  25 
  26 package java.lang;
  27 
  28 /**
  29  * A resource that must be closed when it is no longer needed.
  30  *
  31  * @author Josh Bloch
  32  * @since 1.7
  33  */
  34 public interface AutoCloseable {
  35     /**
  36      * Close this resource, relinquishing any underlying resources.
  37      * This method is invoked automatically by the automatic resource
  38      * management block construct.
  39      *
  40      * <p>Classes implementing this method are strongly encouraged to
  41      * be declared to throw more specific exceptions (or no exception
  42      * at all, if the close cannot fail).
  43      *







  44      * @throws Exception if this resource cannot be closed
  45      */
  46     void close() throws Exception;
  47 }

  24  */
  25 
  26 package java.lang;
  27 
  28 /**
  29  * A resource that must be closed when it is no longer needed.
  30  *
  31  * @author Josh Bloch
  32  * @since 1.7
  33  */
  34 public interface AutoCloseable {
  35     /**
  36      * Close this resource, relinquishing any underlying resources.
  37      * This method is invoked automatically by the automatic resource
  38      * management block construct.
  39      *
  40      * <p>Classes implementing this method are strongly encouraged to
  41      * be declared to throw more specific exceptions (or no exception
  42      * at all, if the close cannot fail).
  43      *
  44      * <p>Note that unlike the {@link java.io.Closeable#close close}
  45      * method of {@link java.io.Closeable}, this {@code close} method
  46      * is <em>not</em> required to be idempotent.  In other words,
  47      * calling this {@code close} method more than once may have some
  48      * visible side effect, unlike {@code Closeable.close} which is
  49      * required to have no effect if called more than once.
  50      *
  51      * @throws Exception if this resource cannot be closed
  52      */
  53     void close() throws Exception;
  54 }