Java Utililty Methods Text File Read Line

List of utility methods to do Text File Read Line

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Description

The list of methods to do Text File Read Line are organized into topic(s).

Method

String[]readLines(File f)
Read a UTF-8 file into an array of lines. 
return readLines(new FileInputStream(f));
ListreadLines(File f)
Reads all lines of a file into a string list. 
List<String> lines = new ArrayList<String>();
FileReader fileReader = new FileReader(f);
try {
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    String line = null;
    while ((line = bufferedReader.readLine()) != null) {
        lines.add(line);
} finally {
    fileReader.close();
return lines;
String[]readLines(File file)
read Lines 
FileReader fileReader = new FileReader(file);
BufferedReader bufferedReader = new BufferedReader(fileReader);
List<String> lines = new ArrayList<>();
String line;
while ((line = bufferedReader.readLine()) != null) {
    lines.add(line);
bufferedReader.close();
...
StringreadLines(File file)
Reads the whole lines from a file. 
StringBuilder sb = new StringBuilder();
BufferedReader br = new BufferedReader(new FileReader(file));
try {
    String line = "";
    while ((line = br.readLine()) != null) {
        sb.append(line);
} finally {
...
ListreadLines(File file)
read Lines 
List<String> lines = new ArrayList<String>();
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = null;
String ls = System.getProperty("line.separator");
while ((line = reader.readLine()) != null) {
    StringBuilder sb = new StringBuilder();
    sb.append(line);
    sb.append(ls);
...
ArrayListreadLines(File file)
read Lines 
ArrayList<String> lines = new ArrayList<>();
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
    String ln;
    while ((ln = br.readLine()) != null)
        lines.add(ln);
return lines;
String[]readLines(File file)
read lines. 
if (file == null || !file.exists() || !file.canRead()) {
    return new String[0];
return readLines(new FileInputStream(file));
StringreadLines(File file)
Returns a String containing the contents lines of the file . 
StringBuilder content = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new FileReader(Objects.requireNonNull(file)))) {
    for (String line = reader.readLine(); line != null; line = reader.readLine()) {
        content.append(line).append("\n");
return content.toString();
ListreadLines(File file)
read Lines 
List<String> overrides = new ArrayList<String>();
if (file.exists()) {
    InputStream is = new FileInputStream(file);
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        String line = null;
        while ((line = reader.readLine()) != null) {
            overrides.add(line);
...
ListreadLines(File file)
read Lines 
BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(file));
    String line = null;
    List<String> lines = new ArrayList<String>();
    while ((line = reader.readLine()) != null) {
        lines.add(line);
    return lines;
} catch (Exception e) {
    throw new RuntimeException(e);
} finally {
    if (reader != null) {
        try {
            reader.close();
        } catch (IOException e) {