Java tutorial
import java.io.FileInputStream; import java.io.IOException; import java.io.LineNumberInputStream; public class Main { public static void main(String[] args) throws IOException { FileInputStream fis = new FileInputStream("C:/test.txt"); LineNumberInputStream lnis = new LineNumberInputStream(fis); lnis.setLineNumber(100); int i = lnis.getLineNumber(); System.out.print("Line number: " + i); } }