Create LineNumberReader from FileReader : LineNumberReader « File Input Output « Java






  1. Java
  2. File Input Output
  3. LineNumberReader

Create LineNumberReader from FileReader

    
import java.io.FileReader;
import java.io.LineNumberReader;

class LineViewer {
  public static void main(String[] args) throws Exception {
    LineNumberReader lnr = null;

    FileReader fr = new FileReader(args[0]);
    lnr = new LineNumberReader(fr);

    String s;
    while ((s = lnr.readLine()) != null)
      System.out.println(lnr.getLineNumber() + ": " + s);
  }
}








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