Método corregido y aumentado "leerContacto"

public void leerContacto(int id) {
//*aportacion especial 4s21
//* ADONAY JESUS MERINO FILIO
//*
//*//
System.out.println("\n");
try {
File arch = new File("d:\\Agenda.txt");
FileReader fr = new FileReader(arch);
BufferedReader br = new BufferedReader(fr);
LineNumberReader lr = new LineNumberReader(fr);
String datos1 = null;
String[] dat;
int o = 0, k, u = 0;
k = (id * 4);
while ((datos1 = lr.readLine()) != null) {
o = lr.getLineNumber();
if (o == k - 3) {
u++;
System.out.println(datos1);
k++;
if (u == 4) {
System.out.println("\n");
break;
}
}
}
lr.close();
} catch (Exception e) {
}
}