38 lines
1.2 KiB
Java
38 lines
1.2 KiB
Java
//: strings/Receipt.java
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import java.util.*;
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public class Receipt {
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private double total = 0;
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private Formatter f = new Formatter(System.out);
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public void printTitle() {
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f.format("%-15s %5s %10s\n", "Item", "Qty", "Price");
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f.format("%-15s %5s %10s\n", "----", "---", "-----");
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}
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public void print(String name, int qty, double price) {
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f.format("%-15.15s %5d %10.2f\n", name, qty, price);
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total += price * qty;
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}
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public void printTotal() {
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f.format("%-15s %5s %10.2f\n", "Tax", "", total*0.06);
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f.format("%-15s %5s %10s\n", "", "", "-----");
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f.format("%-15s %5s %10.2f\n", "Total", "",
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total * 1.06);
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}
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public static void main(String[] args) {
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Receipt receipt = new Receipt();
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receipt.printTitle();
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receipt.print("Jack's Magic Beans", 4, 4.25);
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receipt.print("Princess Peas", 3, 5.1);
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receipt.print("Three Bears Porridge", 1, 14.29);
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receipt.printTotal();
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}
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} /* Output:
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Item Qty Price
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---- --- -----
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Jack's Magic Be 4 4.25
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Princess Peas 3 5.10
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Three Bears Por 1 14.29
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Tax 2.80
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-----
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Total 49.39
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*///:~ |