This is a program that calculates information about orders of shirts and pants. All orders have a quantity and a color. Write a Clothing class that matches this UML: The no-argument constructor will set the quantity to zero and the color to the empty string. The calculatePrice() method returns 0.0. The two-argument constructor and the setQuantity() method must ensure that the quantity will be greater than or equal to zero. Hint: use Math. abs()

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Explanation:

// Clothing.java

public class Clothing {

//Declaring instance variables

private int quantity;

private String color;

//Zero argumented constructor

public Clothing() {

this.quantity = 0;

this.color = "";

}

//Parameterized constructor

public Clothing(int quantity, String color) {

this.quantity = quantity;

this.color = color;

}

// getters and setters

public int getQuantity() {

return quantity;

}

public void setQuantity(int quantity) {

this.quantity = quantity;

}

public String getColor() {

return color;

}

public void setColor(String color) {

this.color = color;

}

public double calculatePrice()

{

return 0.0;

}

}

// Pants.java

public class Pants extends Clothing {

//Declaring instance variables

private int waist;

private int inseam;

//Zero argumented constructor

public Pants() {

this.waist = 0;

this.inseam = 0;

}

//Parameterized constructor

public Pants(int quantity, String color, int waist, int inseam) {

super(quantity, color);

setWaist(waist);

setInseam(inseam);

}

// getters and setters

public int getWaist() {

return waist;

}

public void setWaist(int waist) {

if (waist > 0)

this.waist = waist;

}

public int getInseam() {

return inseam;

}

public void setInseam(int inseam) {

if (inseam > 0)

this.inseam = inseam;

}

public double calculatePrice() {

double tot = 0;

if (waist > 48 || inseam > 36) {

tot = 65.50;

} else {

tot = 50.0;

}

return tot;

}

}

// Shirt.java

public class Shirt extends Clothing {

//Declaring instance variables

private String size;

//Zero argumented constructor

public Shirt() {

this.size = "";

}

//Parameterized constructor

public Shirt(int quantity, String color, String size) {

super(quantity, color);

this.size = size;

}

// getters and setters

public String getSize() {

return size;

}

public void setSize(String size) {

this.size = size;

}

public double calculatePrice() {

double tot = 0;

if (size.equalsIgnoreCase("S")) {

tot = getQuantity() * 11.00;

} else if (size.equalsIgnoreCase("M")) {

tot = getQuantity() * 12.50;

} else if (size.equalsIgnoreCase("L")) {

tot = getQuantity() * 15.00;

} else if (size.equalsIgnoreCase("XL")) {

tot = getQuantity() * 16.50;

} else if (size.equalsIgnoreCase("XXL")) {

tot = getQuantity() * 18.50;

}

return tot;

}

}

//Test.java

import java.util.ArrayList;

public class Test {

public static void main(String[] args) {

int totShirts=0,totPants=0;

double sprice=0,pprice=0,totWaist=0,totinseam=0,avgWaist=0,avginseam=0;

int cnt=0;

ArrayList<Clothing> clothes=new ArrayList<Clothing>();

Shirt s=new Shirt(8,"Green","XXL");

Pants p1=new Pants(6,"Brown",48,30);

Pants p2=new Pants(4,"Blue",36,34);

clothes.add(s);

clothes.add(p1);

clothes.add(p2);

for(int i=0;i<clothes.size();i++)

{

if(clothes.get(i) instanceof Shirt)

{

Shirt s1=(Shirt)clothes.get(i);

totShirts+=s1.getQuantity();

sprice+=s1.calculatePrice();

}

else if(clothes.get(i) instanceof Pants)

{

Pants pa=(Pants)clothes.get(i);

totPants+=pa.getQuantity();

pprice+=pa.calculatePrice();

totinseam+=pa.getInseam();

totWaist+=pa.getWaist();

cnt++;

}

}

System.out.println("Total number of shirts :"+totShirts);

System.out.println("Total price of Shirts :"+sprice);

System.out.println("Total number of Pants :"+totPants);

System.out.println("Total price of Pants :"+pprice);

System.out.printf("Average waist size is :%.1f\n",totWaist/cnt);

System.out.printf("Average inseam length is :%.1f\n",totinseam/cnt);

}

}

Output:

Total number of shirts :8

Total price of Shirts :148.0

Total number of Pants :10

Total price of Pants :100.0

Average waist size is :42.0

Average inseam length is :32.0

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