Как реализовать коллекцию?

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Scanner;

public class Program {
public static void main(String[] args) {
new Program().AllActions();
}

private void AllActions() {
Bus a = input();
System.out.println("==================== ======================================== ======");
output(a);
}

private Bus input() {
System.out.println("=== Vvodim informaciju ===");
System.out.println("=== Izna4alno v avtobuse 0 chelovek ===");
System.out.print("Skolko chelovek vmeshaet avtobus: ");
String max_seats = keyboard();
System.out.print("Skolko chelovek zelaet zajti v avtobus: ");
String enter_number = keyboard();
Passengers passeng[] = new Passengers[Integer.valueOf(enter_number)];
for(int i=0; i<passeng.length; i++) {
passeng[i] = inputPassengers();
}

Bus bus = new Bus(max_seats, enter_number, passeng);
bus.setMax_seats(Integer.valueOf(max_sea ts));
bus.setEnter_number(Integer.valueOf(ente r_number));

return bus;
}

private Passengers inputPassengers() {
System.out.print("Name: ");
String name = keyboard();
System.out.print("Age: ");
String age = keyboard();
System.out.print("Card (yes/no): ");
String card = keyboard();

/* Passengers passengers = new Passengers();
passengers.setName(name);
passengers.setAge(Integer.valueOf(age));
passengers.setCard(card);*/

List<Passengers> pass = new LinkedList<Passengers>();

Passengers passengers = new Passengers();
passengers.setName(name);
passengers.setAge(Integer.valueOf(age));
passengers.setCard(card);

pass.add(passengers);

return pass;
}

private void output(Bus bus) {
System.out.println("Avtobus vmeshaet " + bus.getMax_seats() + " chelovek");
System.out.println("------------");
System.out.println("V avtobus zashli " + bus.getEnter_number() + " chelovek:");
System.out.println("Name\tAge\tCard");

for(Passengers passeng : bus.getPasseng()) {
System.out.println(passeng.getName() + "\t" + passeng.getAge() + "\t" + passeng.getCard());
}

/* if(bus.getPasseng().length > bus.getMax_seats()) {
for(int i=0; i < bus.getPasseng().length-1; i++) {
if(i >= (bus.getMax_seats()-1))
Bus.passeng[i];
}
}

for(Passengers passeng : bus.getPasseng()) {
System.out.println(passeng.getName() + "\t" + passeng.getAge() + "\t" + passeng.getCard());
}*/
}

private String keyboard() {
Scanner scan = new Scanner(System.in);
return scan.next();
}
}