Formatting a toString

[MooNinja]

Ok, in my intro java class we are tasked with creating a program that essentially gathers information from a number of other classes and then prints them out in one of a couple toStrings. This toString has a double (price) and there there is a call to another classes toString Pub1

I can't get this to work. The formatting is off. How would I format this correctly to display price in normal monetary format along with the others ?

return String.format("\n Title: %s \n Author: %s \n ISBN#: %s \n Price: $%.02f \n %s ", title, author, isbn, price, pub1.toString());


Thanks in advance guys!!

I can post more if needed!

[angryboy]

are you talking about price or pub1? what's the output you're getting and and output you want to look like?

[MooNinja]

Well price isn't displaying properly when printed, and I suspect the pub1 is holding up the project from working since it keeps getting the error.

price is displaying

price: $95.0 won't display both decimals

I'd prefer it to show $95.00

[angryboy]

it works for me...

public class Test {
  public static void main(String[] args){
    String s = String.format("\nPrice: $%.02f \n", 95F);
    System.out.println(s);
  }
}

prints $95.00

[emceenugget]

%.2f = 2 max
%2.2f = 2 min, 2 max

[MooNinja]

here is what I am working with. My toString won't even compile now :( I know its a lot so I understand if you don't want to check through it

public class booktest {

	public static void main(String[] args) {

		book bookArray[] = new book[6];

		String dataArray[][] = {
				{ "Book", "Java", "Davis", "123", "Wiley", "London", "25.50" },
				{ "Book", "C++", "Jones", "456", "Random", "NY", "10.75" },
				{ "Fiction", "Where's My Car", "Ashton Kutcher", "777",
						"Oreilly", "Dallas", "5.95" },
				{ "Fiction", "Doom", "The Rock", "918", "Sans Publishing",
						"LA", "12.50" },
				{ "Non-Fiction", "Earthquakes", "Chuck Berry", "435",
						"LA Books", "LA", "75.00" },
				{ "Non-Fiction", "Universal Studios", "Walt", "987", "Dell",
						"Houston", "29.90" } };
		int count = 0;
		for (int i = 0; i < dataArray.length; i++) {
			count++;
			if (dataArray[i][0].equals("Book"))
				bookArray[i] = new book(dataArray[i][1], dataArray[i][2],
						dataArray[i][3], Double.parseDouble(dataArray[i][6]),
						new publisher(dataArray[i][4], dataArray[i][5]));

			else if (dataArray[i][0].equals("Fiction"))
				bookArray[i] = new fiction(count, dataArray[i][1],
						dataArray[i][2], dataArray[i][3], Double
								.parseDouble(dataArray[i][6]), new publisher(
								dataArray[i][4], dataArray[i][5]));

			else if (dataArray[i][0].equals("Non-Fiction"))
				bookArray[i] = new nonfiction(" History ", dataArray[i][1],
						dataArray[i][2], dataArray[i][3], Double
								.parseDouble(dataArray[i][6]), new publisher(
								dataArray[i][4], dataArray[i][5]));

		}

		for (int i = 0; i < bookArray.length; i++)
			System.out.println(bookArray[i].toString());

		int totalSold = ((count + 2) * 3);
		double amountDue = 0;
		double totalCharges = 0;
		for (int i = 0; i < bookArray.length; i++){
			amountDue = bookArray[i].calculateCharge(totalSold, Double
					.parseDouble(dataArray[i][6]));
			totalCharges = totalCharges + amountDue; 
		}
		System.out.printf("\n The total charges due are $%.02f", totalCharges);

	}

public class book {

	private String title;
	private String author;
	private String isbn;
	private double price;
	private publisher pub1;

	public book(String title, String author, String isbn,double price, publisher pub1) {
		setTitle(title);
		setAuthor(author);
		setIsbn(isbn);
		setPrice(price);
		setPub1(pub1);
		
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public String getTitle() {
		return title;
	}

	public void setAuthor(String author) {
		this.author = author;
	}

	public String getAuthor() {
		return author;
	}

	public void setIsbn(String isbn) {
		this.isbn = isbn;
	}

	public String getIsbn() {
		return isbn;
	}
	public void setPrice(double price) {
		this.price = price;
	}

	public double getPrice() {
		return price;
	}
	public void setPub1(publisher pub1) {
		this.pub1 = pub1;
	}
	public publisher getPub1() {
		return pub1;
	}
	public double calculateCharge(int totalSold, double price)// ‘calculateCharge’ that accepts the number of books sold and returns the total price
	{
		return (price * totalSold);
	}
	public String toString()
	{
		return("\n Title:  " + title + "\n Author:  " + author + "\n ISBN#:  " + isbn +"\n Price $ "+ price + pub1.toString());
	}
}
//return String.format("\n Title: %s \n Author: %s \n ISBN#: %s \n Price: $%.02f \n %s  ", title, author, isbn, price, pub1.toString());

[Fubarable]

My toString won't even compile now

Always remember to post the compiler's error messages in this situation. It will save us much time and guessing.

[MooNinja]

I apologize. This is my first time seeking help outside of my manual :)

That code was my latest.

[Fubarable]

My post was not placed to elicit an apology but rather the compiler's error message. Well?