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/****************************************************************************** Welcome to GDB Online. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl, C#, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog. Code, Compile, Run and Debug online from anywhere in world. *******************************************************************************/ public class Main { public static void main(String[] args) { UsedCarLot u=new UsedCarLot(); u.printAllSales(); u.sortByProfit(); u.printAllSales(); } }
/** * This class will keep track of the sale of a used car * * @author Jeff Borland * @version 1.08 */ public class Sale { private String sellerName; private int salePrice; private int carValue; private int profit; private int date; //in format 20080212 yyyymmdd public Sale (int date, String sellerName, int salePrice, int carValue) { this.date=date; this.sellerName=sellerName; this.salePrice=salePrice; this.carValue=carValue; profit=salePrice-carValue; } public String getSellerName() { return sellerName; } public int getDate() { return date; } public int getSalePrice() { return salePrice; } public void setSalePrice(int salePrice) { this.salePrice = salePrice; } public int getCarValue() { return carValue; } public int getProfit() { profit=salePrice-carValue; return profit; } @Override public String toString() { return "Sale [sellerName=" + sellerName + ", salePrice=" + salePrice + ", carValue=" + carValue + ", profit=" + profit + ", date=" + date + "]"; } }
/** * A class to practice arraylist of objects (of sales) * * @author (your name) * @version (a version number or a date) */ import java.io.File; import java.io.IOException; import java.text.NumberFormat; import java.util.ArrayList; import java.util.Scanner; public class UsedCarLot { private ArrayList<Sale> allSales=new ArrayList<Sale>(); public UsedCarLot() { initializeSales(); //initalizes allSales } //The method below will initialize the 50 sales from the text file public void initializeSales() { try { Scanner scan=new Scanner(new File("sales.txt")); while (scan.hasNext()) { String theLine=scan.nextLine(); //This reads in the next player line String[] splits=theLine.split(","); allSales.add(new Sale(Integer.parseInt(splits[0]),splits[1],Integer.parseInt(splits[2]),Integer.parseInt(splits[3]))); //System.out.print("r"); } System.out.println(); } catch (IOException e){ System.out.print("Trouble reading"); } } public void printAllSales () { System.out.println("Printing out all sales"); for (Sale s: allSales) System.out.println(s); System.out.println(); } //use selection sort public void sortByProfit() { } //use insertion sort public void sortByName() { } /********* * BELOW FOR teacher purposes only. */ //The method below will initialize 50 sales randomly public static void randomSales() { int DEFAULTNUMOFSALES=50; String[] employees={"Ben","Logan", "Darcy", "Abdullahi", "Will"}; NumberFormat twoDigits=NumberFormat.getIntegerInstance(); for (int i=0; i<DEFAULTNUMOFSALES; i++) { String randomEmployee=employees[(int)(Math.random()*5)]; twoDigits.setMinimumIntegerDigits(2); String randomDateString=""+((int)(Math.random()*3)+2016)+twoDigits.format(((int)(Math.random()*12)+1))+twoDigits.format(((int)(Math.random()*31)+1)); int randomDate=Integer.parseInt(randomDateString); int salePrice=(int)(Math.random()*15500+1400); int carValue=salePrice-((int)(Math.random()*3500)-500); System.out.println (randomDate+","+ randomEmployee+","+salePrice+","+carValue); } } }
20160204,Will,13024,10285 20180911,Abdullahi,12478,11321 20170312,Darcy,11761,12233 20170405,Logan,15612,14760 20170115,Abdullahi,7330,6630 20180805,Will,10615,10360 20170630,Abdullahi,10167,8281 20180713,Darcy,5876,5827 20170211,Will,10465,8053 20180928,Logan,16294,14042

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