1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements.  See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package java.io;
18 
19 /**
20  * An {@code AutoCloseable} whose close method may throw an {@link IOException}.
21  */
22 public interface Closeable extends AutoCloseable {
23 
24     /**
25      * Closes the object and release any system resources it holds.
26      *
27      * <p>Although only the first call has any effect, it is safe to call close
28      * multiple times on the same object. This is more lenient than the
29      * overridden {@code AutoCloseable.close()}, which may be called at most
30      * once.
31      */
close()32     void close() throws IOException;
33 }
34