przed zmianami Gjorni cash wyglądała tak - public void cash() musiałem to zmienić na int + dodać return HDD, bo inaczej się nie kompilowało, a innego pomysłu nie miałem
@Gjorni
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Scanner;
public class Laptops {
private static Scanner payment;
private static Scanner chooseLaptop;
public static void main (String [] args)
{
ArrayList<Showing> sprzet = new ArrayList<Showing>();
sprzet.add(new Showing("DELL ","Windows7 ","AMD ",4,500,15.3,"GA775 " ,4050));
sprzet.add(new Showing("HP ","Windows8 ","AMD ",4,750,17.7,"GA776 " ,5500));
sprzet.add(new Showing("VAIO ","Windows7 ","AMD ",8,1000,13.3,"GA771 " ,9000));
sprzet.add(new Showing("DELL ","Windows8 ","AMD ",4,1000,15.3,"GA772 " ,4050));
sprzet.add(new Showing("DELL ",null,"AMD ",2,300,15.3,"GA773 " ,2500));
sprzet.add(new Showing("DELL ","Windows7 ","Intel ",4,500,15.3,"GA774 " ,4000));
sprzet.add(new Tablets("Apple ",8 ,"GB777 ", 15001,1,12));
sprzet.add(new Tablets("Microsoft ",6 ,"GB776 ",1300,0.8,10));
payment = new Scanner (System.in);
System.out.println("jak chcesz zapłacić?prosze wpisać: karta lub gotówka");
String method = payment.nextLine();
if(method.equals("karta"))
{
BufferedWriter writer;
File file = new File("C:\\Users\\plpl\\Desktop\\New folder\\a.txt");
try {
writer = new BufferedWriter(new FileWriter(file));
for (int i = 0; i < sprzet.size(); i++){
writer.write(sprzet.get(i).card());
}
writer.close();
} catch (IOException ex) {
}
}
else if(method.equals("gotówka"))
{
for (int i = 0; i < sprzet.size(); i++)
{
sprzet.get(i).cash();
}
}
else
{
System.out.print("podałeś złe parametry. Musisz wpisać : gotówka lub karta");
}
ArrayList<PlaceLaptop> sprzet1 = new ArrayList<PlaceLaptop>();
sprzet1.add(new PlaceLaptop("GA775 " ,"magazyn Gdynia"));
sprzet1.add(new PlaceLaptop("GA776 " ,"magazyn Gdynia"));
sprzet1.add(new PlaceLaptop("GA771 " ,"magazyn Gdańsk"));
sprzet1.add(new PlaceLaptop("GA772 " ,"magazyn Warszawa"));
sprzet1.add(new PlaceLaptop("GA773 " ,"brak na stanie"));
sprzet1.add(new PlaceLaptop("GA774 " ,"brak na stanie"));
sprzet1.add(new PlaceLaptop("GB777 " , null ));
sprzet1.add(new PlaceLaptop("GB776 " ,"magazyn Gdynia"));
chooseLaptop = new Scanner (System.in);
System.out.println("\nProsze podac pozycje: ");
int numberLaptop = chooseLaptop.nextInt();
sprzet1.get(numberLaptop-1).place();
}
}
public class Showing {
protected int numberLaptop;
protected static int amountsOfLaptops;
protected String brand;
protected String OS;
protected String processor;
protected int ram;
protected int HDD;
protected double display;
protected String model;
protected String position;
protected double price;
Showing(String brand,String OS,String processor,int ram,int HDD,double display,String model,double price)
{
this.brand = brand;
this.OS = OS;
this.processor = processor;
this.ram = ram;
this.HDD = HDD;
this.display = display;
this.model = model;
this.price = price;
numberLaptop = ++amountsOfLaptops;
}
Showing(String brand, double display,String model, double price)
{
this.brand = brand;
this.display = display;
this.model= model;
this.price = price;
numberLaptop = ++amountsOfLaptops;
}
/*
public void setPrice ( int price)
{
this.price = price;
}
*/
public int cash()
{
System.out.println(numberLaptop + ". " + (brand == null ? "nieznana marka" : brand ) + (OS == null ? " Brak systemu operacyjnego " : OS) + (processor == null ? " nieznany procesor" : processor) +
(ram == 0 ? " brak danych o ilości pamięci ram" : ram + "GB ") + (HDD == 0 ? " brak danych o pojemności dysku twardego" : HDD + "GB ") + (display == 0 ? " brak danych o wielkości matrycy" : display + "cali ") +
(model == null ? " nieznany model" : model) + (price == 0 ? "nieznan cena" : price+"$"));
return HDD;
}
public int card()
{
System.out.println(numberLaptop + ". " + (brand == null ? "nieznana marka" : brand ) + (OS == null ? " Brak systemu operacyjnego " : OS) + (processor == null ? " nieznany procesor" : processor) +
(ram == 0 ? " brak danych o ilości pamięci ram" : ram + "GB ") + (HDD == 0 ? " brak danych o pojemności dysku twardego" : HDD + "GB ") + (display == 0 ? " brak danych o wielkości matrycy" : display + "cali ") +
(model == null ? " nieznany model" : model) + (price == 0 ? "nieznan cena" : (price * 0.02 + price+"$")));
return HDD;
}
}