List<String> outList = new ArrayList<String>();

OutputStream fOut = null;

try {

fOut = new FileOutputStream(new File("D:/test.txt"));

}

catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

for(String Str:outList){

try {

fOut.write((Str+"\n").getBytes());

}

catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

if(fOut != null){

try {

fOut.close();

}

catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}