The document contains Java classes for a pizza ordering system, including base classes for basic and specific pizza types like 'cheese' and 'meat'. It features methods for setting and getting pizza attributes such as type, crust, ingredients, and cost. The main class facilitates user interaction for ordering pizzas, allowing selection of pizza type, crust thickness, and ingredient choices.

1. BasicPizza.java
public class BasicPizza {
String type;
String crust;
String ingredients;
double cost;
public BasicPizza(String type) {
super();
this.type = type;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getCrust() {
return crust;
}
public void setCrust(String crust) {
this.crust = crust;
}
public BasicPizza() {
super();
}
public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
public double getCost() {
return cost;
}
public void setCost() {

2. this.cost = 5;
}
@Override
public String toString() {
return "BasicPizza [type=" + type + ", crust=" + crust + ", ingredients="
+ ingredients + ", cost=" + cost + "]";
}
}
________________________________________________________________________
LiFiCheese.java
public class LiFiCheese extends BasicPizza{
private String crust;
private double cost;
private String ingredients;
public LiFiCheese() {
super("Cheese");
this.cost=5;
}
public void setCrust()
{
this.crust="thin";
}
public String getCrust()
{
return crust;
}
public double getCost() {
return cost;
}
public void setCost(double cost) {
}

3. public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
@Override
public String toString() {
System.out.println("You Ordered :");
System.out.println(getType());
setCrust();
System.out.println(getCrust());
System.out.println("Total Cost of :"+getCost());
return "";
}
}
_______________________________________________________________________
LiFiPizza.java
import java.util.Scanner;
public class LiFiPizza extends BasicPizza {
private String type;
private double cost;
private String crust;
private String ingredients;
public LiFiPizza()
{
super();
this.type = "Meat";
this.cost=5;
}
public String getType() {
return type;

4. }
public void setType(String type) {
this.type = type;
}
public double getCost() {
return cost;
}
public void setCost() {
this.cost = this.cost+2;
}
public String getCrust() {
return crust;
}
public void setCrust(String crust) {
if(crust.equals("Thin"))
{
this.crust="Thin";
}
else if(crust.equals("Thick"))
{
this.crust="Thick";
}
}
public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
@Override
public String toString() {
System.out.println("You Ordered :");
System.out.println(getType());
System.out.println(getIngredients()+"<+$2.00>");
System.out.println(getCrust());

5. System.out.println("Total Cost of :"+getCost());
return "";
}
}
_____________________________________________________________________
LiFiUnit5Ch14.java
import java.util.Scanner;
public class LiFiUnit5Ch14 {
public static void main(String[] args) {
BasicPizza bp=null;
String typeOfPizza;
Scanner sc=new Scanner(System.in);
System.out.print("What type of pizza would you like :");
typeOfPizza=sc.next();
if(typeOfPizza.equalsIgnoreCase("Meat"))
{
bp=new LiFiPizza();
System.out.print("Thin or Thick Crust:");
String crust=sc.next();
bp.setCrust(crust);
System.out.print("What ingredient, sorry, only 1 :");
String ingredient=sc.next();
bp.setIngredients(ingredient);
bp.setCost();
bp.toString();
}
else if(typeOfPizza.equalsIgnoreCase("Cheese"))
{
bp=new LiFiCheese();
bp.toString();
}
}

6. }
_________________________________________________________________
Output:
What type of pizza would you like :Meat
Thin or Thick Crust:Thin
What ingredient, sorry, only 1 :Sausage
You Ordered :
Meat
Sausage<+$2.00>
Thin
Total Cost of :7.0
__________________________________________
Output:
What type of pizza would you like :Cheese
You Ordered :
Cheese
thin
Total Cost of :5.0
_______________________________________________________
Solution
BasicPizza.java
public class BasicPizza {
String type;
String crust;
String ingredients;
double cost;
public BasicPizza(String type) {
super();
this.type = type;
}
public String getType() {
return type;
}

7. public void setType(String type) {
this.type = type;
}
public String getCrust() {
return crust;
}
public void setCrust(String crust) {
this.crust = crust;
}
public BasicPizza() {
super();
}
public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
public double getCost() {
return cost;
}
public void setCost() {
this.cost = 5;
}
@Override
public String toString() {
return "BasicPizza [type=" + type + ", crust=" + crust + ", ingredients="
+ ingredients + ", cost=" + cost + "]";
}
}
________________________________________________________________________
LiFiCheese.java
public class LiFiCheese extends BasicPizza{
private String crust;

8. private double cost;
private String ingredients;
public LiFiCheese() {
super("Cheese");
this.cost=5;
}
public void setCrust()
{
this.crust="thin";
}
public String getCrust()
{
return crust;
}
public double getCost() {
return cost;
}
public void setCost(double cost) {
}
public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
@Override
public String toString() {
System.out.println("You Ordered :");
System.out.println(getType());
setCrust();
System.out.println(getCrust());

9. System.out.println("Total Cost of :"+getCost());
return "";
}
}
_______________________________________________________________________
LiFiPizza.java
import java.util.Scanner;
public class LiFiPizza extends BasicPizza {
private String type;
private double cost;
private String crust;
private String ingredients;
public LiFiPizza()
{
super();
this.type = "Meat";
this.cost=5;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public double getCost() {
return cost;
}
public void setCost() {
this.cost = this.cost+2;
}
public String getCrust() {
return crust;
}
public void setCrust(String crust) {

10. if(crust.equals("Thin"))
{
this.crust="Thin";
}
else if(crust.equals("Thick"))
{
this.crust="Thick";
}
}
public String getIngredients() {
return ingredients;
}
public void setIngredients(String ingredients) {
this.ingredients = ingredients;
}
@Override
public String toString() {
System.out.println("You Ordered :");
System.out.println(getType());
System.out.println(getIngredients()+"<+$2.00>");
System.out.println(getCrust());
System.out.println("Total Cost of :"+getCost());
return "";
}
}
_____________________________________________________________________
LiFiUnit5Ch14.java
import java.util.Scanner;
public class LiFiUnit5Ch14 {
public static void main(String[] args) {
BasicPizza bp=null;
String typeOfPizza;
Scanner sc=new Scanner(System.in);
System.out.print("What type of pizza would you like :");

11. typeOfPizza=sc.next();
if(typeOfPizza.equalsIgnoreCase("Meat"))
{
bp=new LiFiPizza();
System.out.print("Thin or Thick Crust:");
String crust=sc.next();
bp.setCrust(crust);
System.out.print("What ingredient, sorry, only 1 :");
String ingredient=sc.next();
bp.setIngredients(ingredient);
bp.setCost();
bp.toString();
}
else if(typeOfPizza.equalsIgnoreCase("Cheese"))
{
bp=new LiFiCheese();
bp.toString();
}
}
}
_________________________________________________________________
Output:
What type of pizza would you like :Meat
Thin or Thick Crust:Thin
What ingredient, sorry, only 1 :Sausage
You Ordered :
Meat
Sausage<+$2.00>
Thin
Total Cost of :7.0
__________________________________________
Output:

12. What type of pizza would you like :Cheese
You Ordered :
Cheese
thin
Total Cost of :5.0
_______________________________________________________