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 /*** Defines an interface for classes that can (or need to) be flushed, typically before some output processing is considered to be 20 * finished and the object gets closed. */ 21 public interface Flushable { 22 /*** Flushes the object by writing out any buffered data to the underlying output. 23 * 24 * @throws IOException if there are any issues writing the data. */ flush()25 void flush () throws IOException; 26 } 27