Java tutorial
//package com.java2s; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.LineNumberReader; public class Main { public static int getLineCount(String path) { LineNumberReader lnr = null; try { lnr = new LineNumberReader(new FileReader(new File(path))); lnr.skip(Long.MAX_VALUE); } catch (FileNotFoundException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (lnr == null) return 0; return lnr.getLineNumber(); } }