Java tutorial
//package com.java2s; import java.io.BufferedWriter; import java.io.File; import java.io.IOException; import java.io.OutputStreamWriter; import android.content.Context; public class Main { private final static String eol = System.getProperty("line.separator"); final public static String userInfoPath = "companyinfo.txt"; public static String[] userInfo; final private static String separator = "!@#$%^&*()_+"; public static void writeUserInfo(String[] info, Context c) throws IOException { File f = c.getFileStreamPath(userInfoPath); if (!f.exists()) { f.createNewFile(); } String output = ""; for (int n = 0; n < info.length; n++) { output += info[n] + eol + separator + eol; } BufferedWriter out = null; out = new BufferedWriter(new OutputStreamWriter(c.openFileOutput(userInfoPath, Context.MODE_PRIVATE))); out.write(output); out.flush(); out.close(); userInfo = info; } }