TO DO in JAVA: Finish the compareTo() method in the Insurance class.

package itp120mod6;

import java.text.*;

// note that this is an abstract class (see p455 of your text)

// I do not want any one to create a generic Insurance instance

// (we only sell Auto, Life, and Health) but so as not to repeat

// common fields in those , we move them up one hierarchy level

// and make a generic Inurance class

// implements the interface Comparable so I can define how to order

// or sort Insurance objects

public abstract class Insurance implements Comparable

{

// NOTE: these fields are protected!!!!! If I am to inherit

// these , they must be protected (private allows NO other classes

// to use them) - protected means this class and any class that inherits

// from this one can use these

protected Customer customer;

protected double yearlyRate;

protected int policyNumber;

// for currency output

NumberFormat currency = NumberFormat.getCurrencyInstance();

// a static variable used to make the insurance id unique

public static int num = 1000;

// full constructor - automatically creates a new Insurance id

public Insurance (Customer cust)

{

customer = cust;

policyNumber=num;

num++;

}

// used for reading from a file where policy number and rate already set

public Insurance (Customer cust, int polNum, double yrRate)

{

customer = cust;

policyNumber=polNum;

yearlyRate = yrRate;

}

// the empty constructor but still sets a unique id

public Insurance ()

{

policyNumber=num;

num++;

}

// the calcRate method is used to set the yearlyRate

// NOTE: this is an abstract class. That means it can not be used (has no body)

// but by putting here, we require any class that inherits from the Insurance class

// to fully implement this method if they want to be a concrete class

public abstract void calcRate();

// toString method. Note - we let the customer write themself out since they have their own toString method

// a class should only write out their fields in the toString method

public String toString ()

{

return (customer.toString() + " with policy number " + policyNumber + " has a yearly rate of " + currency.format(yearlyRate));

}

// getters and setters

public Customer getCustomer() {

return customer;

}

public int getPolicyNumber() {

return policyNumber;

}

public double getYearlyRate() {

return yearlyRate;

}

public void setCustomer(Customer customer) {

this.customer = customer;

}

public void setPolicyNumber(int policyNumber) {

this.policyNumber = policyNumber;

}

public void setYearlyRate(double yearlyRate) {

this.yearlyRate = yearlyRate;

}

// required by the Comparable interface. Describes how to compare two Insurance instances

// In this one, we want to compare policy numbers

// Look at how we did the one in the Customer blueprint

// Look at the one in the search_sort.Account class

// Note the difference if you are sorting on primitives versus objects

public int compareTo(Insurance ins)

{

// you get to write this!!

return -1;

}

}

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TO DO in JAVA: Finish the code for the methods in TrackInsurance so that all the menu items work.

package itp120mod6;

import java.util.*;

public class TrackInsurance extends Object {

public static Scanner scan = new Scanner(System.in);

// method that runs first

public static void main(String[] args) throws Exception {

// make an ArrayList of customers and insurance policies

ArrayList cust = new ArrayList();

// note - the ArrayList below can hold Insurance objects

// but with inheritance, that includes Auto, Health, Life and Art

ArrayList ins = new ArrayList();

// create some fake customers (used for testing the program)

Customer c = new Customer("Duck", "Donald");

Customer c1 = new Customer("Mouse", "Minnie");

Customer c2 = new Customer("Mouse", "Mickey");

// add the customers to the array list

cust.add(c2);

cust.add(c1);

cust.add(c);

// make and add some insurance policies to the ArrayList

ins.add(new AutoInsurance(c, 2));

ins.add(new AutoInsurance(c1, 3));

/*ins.add(new HealthInsurance(c, 5));

ins.add(new HealthInsurance(c2, 1));

ins.add(new LifeInsurance(c, 30000, 65));

ins.add(new LifeInsurance(c1, 400000, 34));*/

// add your ArtInsurance instances here

//ins.add(new ArtInsurance(.....));

int choice = 0;

while (choice >= 0) {

choice = menu();

if (choice == 1)

printAllCustomers(cust);

else if (choice == 2)

printAllInsurance(ins);

else if (choice == 3) {

System.out

.println("Now lets find the information for a certain policy number");

System.out.println("What policy number do you want to find?");

int num = scan.nextInt();

printPolicy(ins, num);

} else if (choice == 4) {

System.out

.println("Now let's find all of the policies for a given customer");

System.out.println("What is the customer id?");

int custNum = scan.nextInt();

getCustomer(ins, custNum);

} else if (choice == 5)

sortCustNum(ins);

else if (choice == 6)

sortPolNum(ins);

else if (choice == 7) {

System.out.println("Bye!!!!!");

choice = -1;

}

} // end while

}

public static int menu() {

System.out.println("Choice:");

System.out

.println(" 1. Print all customers (call the toString method)");

System.out

.println(" 2. Print all insurance information (call the toString method)");

System.out

.println(" 3. Given a policy number, print the policy information");

System.out

.println(" 4. Find all of the policies for a given customer");

System.out

.println(" 5. Sort the insurance policy information by customer number");

System.out

.println(" 6. Sort the insurance policy information by policy number");

System.out.println(" 7. QUIT!! ");

System.out.println(" CHOICE:");

int value = scan.nextInt();

return value;

}

// write a printAllCusts method that prints out the toString method for all

// of the customers

public static void printAllCustomers(ArrayList cust) {

}

// write a printAllInsurance method that prints out the toString method for

// all of the insurance policies

public static void printAllInsurance(ArrayList insure) {

// print out all of the information

for (Insurance ins : insure)

System.out.println(ins.toString());

}

// write a printPolicy method that prints the information for the policy

// number

// passed in or the statement "That policy does not exist" if it is not

// present

public static void printPolicy(ArrayList insure, int num) {

}

// write a getCustomer method that prints the information for all of the

// policies for a given customer

// that customer number is passed in. If none, have it print

// "There are no policies for that customer"

public static void getCustomer(ArrayList insure, int num) {

}

// write a method that sorts the policies by policy number

// look at the example in the search_sort package

public static void sortPolNum(ArrayList insure) {

Collections.sort(insure);

}

// write a method that sorts the policies by customer number

// this one is tougher since you can not use the Collections.sort() method

// so you need to just slug out some code.

// Look at the bubble sort from the SortByHand in the search_sort package

// You will want to do something similar

// Here is some pseudocode to help

//

public static void sortCustNum(ArrayList insure) {

{

for (int out = insure.size() - 1; out > 1; out--)

for (int in = 0; in < out; in++) {

// get the first insurance policy

// get the customer from that insurance policy

// get the customer number from that insurance policy

// get the second insurance policy

// get the customer from that insurance policy

// get the customer number from that insurance policy

// We want to check to see if the second customer number is

// less than the first one

// NOTE: When comparing customer numbers:

// SortByHand uses Strings so it uses the compareTo()

// method.

// We are comparing integers so we can just use <

// if the second customer number is less than the first one

// swap the two insurance policies in the original "insure"

// ArrayList

// check out the SortByHand to see how to swap.

}

}

}

}