Java examples for Collection Framework:Map
Get value from Map and fill into another class
import java.util.HashMap; import java.util.Map; public class Main { public static void main(String[] arguments) { 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"); }/*from w w w. j av a2 s . c o m*/ } } 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; } }