Java Utililty Methods BufferedReader Read

List of utility methods to do BufferedReader Read

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Description

The list of methods to do BufferedReader Read are organized into topic(s).

Method

StringreadFile(File file)
Auslesen einer Datei in einen String 
if (!file.exists()) {
    String errorMsg = "File '" + file + "' existiert nicht";
if (!file.exists()) {
    String errorMsg = "File '" + file + "' kann nicht gelesen werden nicht";
StringBuffer result = new StringBuffer();
try {
...
StringreadFile(File file)
read File 
String fileContents = "";
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
    String line;
    while ((line = br.readLine()) != null)
        fileContents += (line + System.lineSeparator());
return fileContents;
StringreadFile(File file)
Read file content using platform encoding and converting line endings to \\n. 
StringBuilder buffer = new StringBuilder();
BufferedReader reader = new BufferedReader(new FileReader(file)); 
String line;
while ((line = reader.readLine()) != null) {
    if (buffer.length() > 0) {
        buffer.append('\n');
    buffer.append(line);
...
StringreadFile(File file)
create a String from given File 
StringBuffer buf = new StringBuffer();
BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(file));
    String tempString = null;
    int line = 1;
    while ((tempString = reader.readLine()) != null) {
        buf.append(tempString);
...
StringreadFile(File file)
read File 
BufferedReader reader = new BufferedReader(new FileReader(file));
StringBuilder builder = new StringBuilder();
String line;
boolean addPreviousLinebreak = false;
while ((line = reader.readLine()) != null) {
    if (addPreviousLinebreak)
        builder.append("\n");
    builder.append(line);
...
StringreadFile(File file)
Reads a file. 
StringBuilder src = new StringBuilder();
BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(file));
    String line = null;
    while ((line = reader.readLine()) != null)
        src.append(line).append("\n");
} catch (IOException ex) {
...
StringreadFile(File file)
Simply read a file's contents into a string object. 
StringBuilder text = new StringBuilder();
BufferedReader reader = new BufferedReader(new FileReader(file.getPath()));
try {
    String line = null;
    while ((line = reader.readLine()) != null) {
        text.append(line + System.getProperty("line.separator"));
} finally {
...
StringreadFile(File file)
read File 
StringBuilder out = new StringBuilder();
BufferedReader br = new BufferedReader(new FileReader(file));
for (String line = br.readLine(); line != null; line = br.readLine())
    out.append(line + "\n");
br.close();
return out.toString();
StringreadFile(File file)
read File 
StringBuffer fileBuffer;
String fileString = null;
String line;
try {
    FileReader in = new FileReader(file);
    BufferedReader dis = new BufferedReader(in);
    fileBuffer = new StringBuffer();
    while ((line = dis.readLine()) != null) {
...
StringreadFile(File file)
read file with lines separated by LF 
StringBuilder sb = new StringBuilder();
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
    String l;
    while ((l = br.readLine()) != null) {
        sb.append(l).append("\n");
return sb.toString();
...