public class Passenger {

    private String firstName; //passenger's first name
    private String lastName; //passenger's last name
    private int frequentFlyerNum; //passenger's frequent flyer number

    /**
       Constructor.
       @param firstName 
       @param lastName
       @param frequentFlyerNum
     */
    public Passenger(String firstName, String lastName, int frequentFlyerNum) {
	this.firstName = firstName;
	this.lastName = lastName;
	this.frequentFlyerNum = frequentFlyerNum;
    }

    /**
       Retrieve passenger's first name
       @returns String
     */
    public String getFirstName() {
	return firstName;
    }
    
    /**
       Change passenger's first name
       @param firstName
     */
    public void setFirstName(String firstName) {
	this.firstName = firstName;
    }

    /**
       Retrieve passenger's last name
       @returns String
     */
    public String getLastName() {
	return lastName;
    }
    
    /**
       Change passenger's last name
       @param lastName
     */
    public void setLastName(String lastName) {
	this.lastName = lastName;
    }

    /**
       Retrieve passenger's frequent flyer number
       @returns int
     */
    public int getFrequentFlyerNum() {
	return frequentFlyerNum;
    }
    
    /**
       Change passenger's  frequent flyer number
       @param frequentFlyerNum
     */
    public void setFrequentFlyerNum(int frequentFlyerNum) {
	this.frequentFlyerNum = frequentFlyerNum;
    }

    /**
       Prints the passenger's info
     */
    public void printInfo() {
	System.out.print("Name: " + firstName + " " + lastName);
	System.out.println("\tFrequent Flyer Number: " + frequentFlyerNum);
    }

    /**
       Return the passenger's info
       @return String
     */
    public String getInfo() {
	String s = "Name: " + firstName + " " + lastName + 
	    "\tFrequent Flyer Number: " + frequentFlyerNum;
	return s;
    }

}