Closeable.java

/** Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.io;

/*** Defines an interface for classes that can (or need to) be closed once they are not used any longer. This usually includes all
 * sorts of {@link InputStream}s and {@link OutputStream}s. Calling the {@code close} method releases resources that the object
 * holds. */
public interface Closeable {

	/*** Closes the object and release any system resources it holds. If the object has already been closed, then invoking this
	 * method has no effect.
	 * 
	 * @throws IOException if any error occurs when closing the object. */
	public void close () throws IOException;
}