Java tutorial
//package com.java2s; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class Main { public static boolean writeLineToFile(File file, String line, boolean append) { try { FileWriter fileWriter = new FileWriter(file, append); fileWriter.append(line + "\r\n"); fileWriter.flush(); fileWriter.close(); return true; } catch (IOException e) { e.printStackTrace(); return false; } } }