[Java] File Write Examples (String to File Write in Java)

1. String to File Examples


1) String write with BufferedWriter

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public static void main(String[] args) { try { String fileName = "d:/target.txt"; String text = "Please write me to file"; BufferedWriter writer = new BufferedWriter( new FileWriter( fileName)); writer.write( text); writer.close(); } catch (IOException e) { e.printStackTrace(); } }

2) String write with BufferedWriter (UTF-8)

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public static void main(String[] args) { try { String fileName = "d:/target.txt"; String text = "Please write me to file"; BufferedWriter writer new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(fileName)),"UTF8")); writer.write( text); writer.close(); } catch (IOException e) { e.printStackTrace(); } }

3) String write with FileWriter

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public static void main(String[] args) { try { String fileName = "d:/target.txt"; String text = "Please write me to file"; FileWriter fw = new FileWriter(new File(fileName)); fw.write(text); fw.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }

4) String write with PrintStream

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public static void main(String[] args) { try { String fileName = "d:/target.txt"; String text = "Please write me to file"; PrintStream out = new PrintStream(new FileOutputStream(fileName)); out.print(text); } catch (FileNotFoundException e) { e.printStackTrace(); } }

5) String write with PrintWriter

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public static void main(String[] args) { try { String fileName = "d:/target.txt"; String text = "Please write me to file"; PrintWriter out = new PrintWriter(fileName); out.println(text); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } }

6) String List to File 

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void writeStringListToFile(String filename, List<String> lines) throws IOException { Files.write( Paths.get(filename), lines, StandardOpenOption.CREATE ); }