Answers for "read first lines of file java"

4

java read each lines in file

BufferedReader br = null;
        try {
            File file = new File("myfile.txt"); // java.io.File
            FileReader fr = new FileReader(file); // java.io.FileReader
            br = new BufferedReader(fr); // java.io.BufferedReader
            String line;
            while ((line = br.readLine()) != null) {
              // process the line
            }
          }
          catch(IOException e) { e.printStackTrace();}
          finally
          {
              try { if (br != null) br.close(); }
              catch(IOException e) { e.printStackTrace(); }
          }
Posted by: Guest on March-12-2020
0

java read first line of file

// this is called "try-with-resources" statement in java 8.
// it ensures that the resources are closed at the end.
  
try (BufferedReader br = new BufferedReader(new FileReader(textFile))) {
    String text = br.readLine(); // first line only
    System.out.println(text);
}
Posted by: Guest on September-15-2021

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