linked list i assess

import java.util.*;

class Abhi  implements Comparator<Employee>{
 public int compare(Employee a, Employee b)
    {
 
        return a.fName.compareTo(b.fName);
    }


}
public class Main  {
   
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        LinkedList<Employee> l=new LinkedList<>();
        System.out.println("Enter The Number of Employees");
        int n=sc.nextInt();
        sc.nextLine();
        for(int i=1;i<=n;i++)
        {
            System.out.println("Enter The "+i+" Employee Details:");
            System.out.println("Enter the Firstname");
            String s1=sc.nextLine();
            System.out.println("Enter theLastname");
            String s2=sc.nextLine();
            System.out.println("Enter the Mobile");
            String s3=sc.nextLine();
            System.out.println("Enter the Email");
            String s4=sc.nextLine();
            System.out.println("Enter the Address");
            String s5=sc.nextLine();
            Employee e=new Employee(s1,s2,s3,s4,s5);
            l.add(e);
            
        }
       Collections.sort(l,new Abhi()) ;
        System.out.println("Employee List:");
        System.out.format("%-15s %-15s %-15s %-30s %-15s\n","Firstname","Lastname","Mobile","Email","Address");
        for(Employee e: l)
        {
          
            e.display();
        }
    }
    
}
public class Employee{
    public String fName;
    private String lName;
    private String mNum;
    private String eMail;
    private String address;

    public Employee(String fName,String lName,String mNum,String eMail,String address)
    {
        this.fName=fName;
        this.lName=lName;
        this.mNum=mNum;
        this.eMail=eMail;
        this.address=address;
    }
    public String getfName(){
        return fName;
    }
    public void display()
    {
        
        System.out.format("%-15s %-15s %-15s %-30s %-15s\n",fName,lName,mNum,eMail,address);
    }
}