import java.util.HashMap;
import java.util.Map;
public class GetValueFromMap {
public static void main(String[] args) {
// TODO Auto-generated method stub
Map<String, Float> quality = new HashMap();
float price1 = 3.00F;
quality.put("mint", price1);
float price2 = 2.00F;
quality.put("near mint", price2);
float price3 = 1.50F;
quality.put("very fine", price3);
float price4 = 1.00F;
quality.put("fine", price4);
float price5 = 0.50F;
quality.put("good", price5);
float price6 = 0.25F;
quality.put("poor", price6);
// set up collection
Product[] comix = new Product[3];
comix[0] = new Product("Spider-Man", "1A", "fine", 5_000.00F);
comix[0].setPrice((Float) quality.get(comix[0].condition));
comix[1] = new Product("Hulk", "181", "near mint", 240.00F);
comix[1].setPrice((Float) quality.get(comix[1].condition));
comix[2] = new Product("Cerebus", "1A", "good", 144.00F);
comix[2].setPrice((Float) quality.get(comix[2].condition));
for (int i = 0; i < comix.length; i++) {
System.out.println("Title: " + comix[i].title);
System.out.println("Issue: " + comix[i].issueNumber);
System.out.println("Condition: " + comix[i].condition);
System.out.println("Price: $" + comix[i].price + "\n");
}
}
}
class Product {
String title;
String issueNumber;
String condition;
float basePrice;
float price;
Product(String inTitle, String inIssueNumber, String inCondition,
float inBasePrice) {
title = inTitle;
issueNumber = inIssueNumber;
condition = inCondition;
basePrice = inBasePrice;
}
void setPrice(float factor) {
price = basePrice * factor;
}
}
Console：
Title: Spider-Man
Issue: 1A
Condition: fine
Price: $5000.0
Title: Hulk
Issue: 181
Condition: near mint
Price: $480.0
Title: Cerebus
Issue: 1A
Condition: good
Price: $72.0
