Java Utililty Methods Write String to File

List of utility methods to do Write String to File

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Description

The list of methods to do Write String to File are organized into topic(s).

Method

voidwriteFile(String fileName, String text, String characterEncoding)
This will write a string to a file with the specified encoding 
FileOutputStream fos;
byte[] buf = text.getBytes(characterEncoding);
int numWritten;
fos = new FileOutputStream(fileName);
numWritten = 0;
fos.write(buf, numWritten, buf.length);
fos.close();
voidwriteFile(String fileName, String textToSave)
write File 
if (fileName == null)
    throw new IOException("filename is null");
if (textToSave == null)
    throw new IOException("textToSave is null");
FileWriter fw = new FileWriter(fileName);
BufferedWriter bw = new BufferedWriter(fw);
fw.write(textToSave);
bw.close();
...
booleanwriteFile(String fileName, String[] contents)
description writes the array of strings into the file name speecified 
BufferedWriter bufWriter = null;
String line;
boolean success = true;
if (null == contents) {
    return false;
try {
    bufWriter = new BufferedWriter(new FileWriter(fileName));
...
voidwriteFile(String fileName, String[] lines)
write File 
try {
    File fout = new File(fileName);
    FileOutputStream fos = new FileOutputStream(fout);
    OutputStreamWriter osw = new OutputStreamWriter(fos);
    for (String line : lines) {
        osw.write(line);
    osw.close();
...
voidwriteFile(String filename, StringBuilder sb)
write File 
BufferedWriter bw = new BufferedWriter(new FileWriter(new File(filename)));
bw.write(sb.toString());
bw.close();
voidwriteFile(String filePath, String content)
write File 
File file = new File(filePath);
synchronized (file) {
    FileOutputStream fos = new FileOutputStream(filePath);
    fos.write(content.getBytes("UTF-8"));
    fos.close();
voidwriteFile(String filePath, String content)
write File 
RandomAccessFile raf = new RandomAccessFile(new File(filePath), "rw");
raf.writeUTF(content);
raf.close();
voidwriteFile(String filePath, String content)
Write content to file. 
try {
    FileOutputStream os = new FileOutputStream(filePath);
    FileDescriptor fd = os.getFD();
    os.write(content.getBytes());
    os.flush();
    fd.sync();
} catch (IOException e) {
    e.printStackTrace();
...
voidwriteFile(String filePath, String content)
ananya.tools.utils.FileUtils method to write string content to a file 
writeFile(new File(filePath), content);
booleanWriteFile(String filepath, String content)
Write File 
File outputFile = new File(filepath);
if (outputFile.exists()) {
    outputFile.delete();
File parentDirectory = outputFile.getParentFile();
if (parentDirectory != null && !parentDirectory.exists()) {
    parentDirectory.mkdirs();
BufferedWriter writer = null;
try {
    writer = new BufferedWriter(new FileWriter(filepath));
    writer.write(content);
    return true;
} catch (Exception e) {
    e.printStackTrace();
} finally {
    if (writer != null) {
        try {
            writer.close();
        } catch (IOException e) {
return false;