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 * Defines an interface for classes that can (or need to) be flushed, typically 21 * before some output processing is considered to be finished and the object 22 * gets closed. 23 */ 24 public interface Flushable { 25 /** 26 * Flushes the object by writing out any buffered data to the underlying 27 * output. 28 * 29 * @throws IOException 30 * if there are any issues writing the data. 31 */ 32 void flush() throws IOException; 33 } 34
