import java.io.IOException;
import java.io.RandomAccessFile;
public class Main {
public static void main(String[] args) throws IOException {
RandomAccessFile raf = new RandomAccessFile("employee.dat", "rw");
raf.writeUTF("J");
raf.writeUTF("S");
raf.writeDouble(4.0);
raf.seek(0L);
String fname = raf.readUTF();
String lname = raf.readUTF();
double salary = raf.readDouble();
System.out.println("First name = " + fname);
System.out.println("Last name = " + lname);
System.out.println("Salary = " + salary);
raf.close();
}
}