Java Utililty Methods BufferedReader Read All

List of utility methods to do BufferedReader Read All

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Description

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

Method

StringreadAll(String path)
read All 
BufferedReader br = new BufferedReader(new FileReader(path));
StringBuilder sb = new StringBuilder();
try {
    String line = br.readLine();
    while (line != null) {
        sb.append(line);
        sb.append(System.lineSeparator());
        line = br.readLine();
...
voidReadAll_Variant2(Reader rd, Writer wr)
Read Al Variant 
if (rd == null) {
    throw new Exception("Reader not specified");
if (wr == null) {
    throw new Exception("Writer not specified");
BufferedReader brd = new BufferedReader(rd);
PrintWriter pwr = new PrintWriter(wr);
...
VectorreadAllCourseNum()
read All Course Num 
File file = new File("D:\\CourseSystemDB\\courseList.txt");
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
String line;
Vector<String> v = new Vector<String>();
while ((line = reader.readLine()) != null) {
    String[] temp = line.split("  ");
    v.addElement(temp[0]);
reader.close();
return v;
VectorreadAllCoursePro()
read All Course Pro 
File file = new File("D:\\CourseSystemDB\\Course");
String[] line;
File[] cla = file.listFiles();
Vector<String> allCourse = new Vector<String>();
for (int i = 0; i < cla.length; i++) {
    BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(cla[i])));
    String property;
    line = reader.readLine().split("  ");
...
VectorreadAllCourseTime()
read All Course Time 
File file = new File("D:\\CourseSystemDB\\Course");
String[] cla = file.list();
Vector<String> claTimeList = new Vector<String>();
String[] firstLine;
for (int i = 0; i < cla.length; i++) {
    File claFile = new File("D:\\CourseSystemDB\\Course\\" + cla[i]);
    BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(claFile)));
    firstLine = reader.readLine().split("  ");
...
StringreadAllFromInputStream(InputStream inputStream)
Read all the content from an InputStream instance. 
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String result = "", line = "";
while ((line = reader.readLine()) != null) {
    result += line;
return result;
ListreadAllFromInputStreamAsList(InputStream inputStream)
read All From Input Stream As List 
List<String> output;
try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
    output = new ArrayList<>();
    String line;
    while ((line = reader.readLine()) != null) {
        output.add(line);
return output;
StringReadAllFromStream(InputStream source)
Read All From Stream 
StringBuilder sb = new StringBuilder();
BufferedReader br = new BufferedReader(new InputStreamReader(source));
String line;
while ((line = br.readLine()) != null) {
    sb.append(line).append("\n");
return sb.toString();
String[]readAllLines(File file)
Reads all text of a file and returns the lines as string array. 
if (file == null || !file.exists()) {
    throw new IllegalArgumentException("Invalid file given: " + file);
BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(file));
    String line = null;
    List<String> stringBuilder = new ArrayList<String>();
...
String[]readAllLines(File file)
read All Lines 
return readAllLines(new FileInputStream(file));