Need some help with this program please.

[fezman1337]

Hello everyone, im somewhat new to the java scene and only have little experince in java. Im having a problem with this program where 2/3 of the parts work while the third one doesn't return the right data.

import java.text.*;

/**
*Program to test the Pizza class by creating Pizza objects and displaying there information
*@author
*@version 1.0
*/
public class CheapPizza{

public static void main(String[] arg){
//declare pizza objects
Pizza p1 = new Pizza();
Pizza p2 = new Pizza(9.0, 3.10);
Pizza p3 = new Pizza(p2);

//change some info on p3
p3.setPrice(4.00);
p3.setDiameter(12.0);

//formatting
NumberFormat nf = NumberFormat.getInstance();
NumberFormat nf2 = NumberFormat.getInstance();
NumberFormat cf = NumberFormat.getCurrencyInstance();

nf.setMaximumFractionDigits(2);
nf2.setMaximumFractionDigits(4);

//display the information
System.out.println("Diameter of Pizza Area of Pizza Price Price/SQ Inch");
System.out.printf("%15.2f %13.2f " + cf.format(p1.getPrice()) + " %13.4f\n", p1.getDiameter(), p1.calculateArea(), p1.pricePerSquareInch());
System.out.printf("%15.2f %13.2f " + cf.format(p2.getPrice()) + " %13.4f\n", p2.getDiameter(), p2.calculateArea(), p2.pricePerSquareInch());
System.out.printf("%15.2f %13.2f " + cf.format(p3.getPrice()) + " %13.4f\n", p3.getDiameter(), p3.calculateArea(), p3.pricePerSquareInch());

}
}


^^^ THIS PART SHOULD NOT BE CHANGED


and this is what i have so far.

public class Pizza{

private double diameter;

private double price;

private double d;
private double p;
private double Area;
private double pricePerSquareInch;
private double Diameter;
private double Price;
private double pi;

public Pizza() {
Diameter = 6.0;
Price = 2.25;
}
public Pizza(double d, double p){
d = diameter;
p = price;
}
public Pizza(Pizza pi){
d = pi.getDiameter();
p = pi.getPrice();
}
public double calculateArea(){
Area = Math.PI * (Diameter/2) * (Diameter/2);
return Area;
}
public double pricePerSquareInch(){
pricePerSquareInch = Price / Area;
return pricePerSquareInch;
}
public double getDiameter(){
return Diameter;
}
public double getPrice(){
return Price;
}
public void setDiameter(double d){
Diameter = d;
}
public void setPrice(double p){
Price = p;
}
}


I cannot get the second line to show properly. It only returns 0's for everything. Any help will be much appreciated and thanks in advance.

[eRaaaa]

Your second constructor is wrong.

	public Pizza(double d, double p) {
		Diameter = d;
		Price = p;
	}

but --> Naming Conventions

[fezman1337]

Thank you very much, I can't believe i missed that.