Here you can find the source of appendToFile(String content, File file, String encoding)
public static void appendToFile(String content, File file, String encoding) throws IOException
//package com.java2s; /*/*from www. jav a 2 s .c o m*/ * Licensed 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. */ import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; public class Main { public static void appendToFile(String content, File file, String encoding) throws IOException { BufferedWriter writer = null; try { writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true), encoding)); writer.write(content); } finally { if (writer != null) writer.close(); } } }