java scanner read a text file line by line code example

Example 1: 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(); }
          }

Example 2: how to check the lines in a file java scanner

int count = 0;
while (scanner.hasNextLine()) {
    count++;
    scanner.nextLine();
}