• LineNumber_Reader
• getLineNumber()

import java.io.*;
import java.io.LineNumberReader;
import java.io.InputStreamReader;
//javac Test_LineNumberReader
//java -classpath . Test_LineNumberReader
public class Test_LineNumberReader {
/**
* @param args throws exception needed with LineNumberReader
*/
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
File myDir = new File("c:/myjava/File_Class/my.txt");
LineNumberReader in = null;
try {
in = new LineNumberReader(new FileReader(myDir));
int linenum = 0;
String line = null;
while((line = in.readLine())!= null)
{
linenum = in.getLineNumber();
System.out.println("line number : " + linenum + " " +line + "\t"+ myDir);
}
in.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}

}