package eshop;

public class Shop{
	public static void main(String[] args) throws InterruptedException{
		Store store = new Store();
		for(int  j = 0; j < 200; j++){
			Buyer b1 = new Buyer(1, store, Integer.toString(j));
			Buyer b2 = new Buyer(1, store, Integer.toString(j));
			b1.start();
			b2.start();
			b1.join();
			b2.join();
		}
		System.out.println(store.getItemNum());
	}
}
class Buyer extends Thread{
	private int itemNeeded;

	public Buyer(int itemNum, Runnable target, String name) {
		super(target, name);
		itemNeeded = itemNum;
	}
	public int getItemNumNedeed() {
		return itemNeeded;
	}
}
class Store implements Runnable{
	private int itemNum = 1000;
	@Override
	public void run(){
		Buyer buyer = (Buyer) Thread.currentThread();
		if(buyItem(buyer.getItemNumNedeed())){
			System.out.println("Pirkejas " + buyer.getName() + " nupirko " + buyer.getItemNumNedeed());
		}else{
			System.out.println("Pirkejo " + buyer.getName() + "apispirkimas nesekmingas");
		}
	}
	public /*synchronized*/ boolean buyItem(int itemNeeded){
		if(this.itemNum - itemNeeded > 0){
			this.itemNum = this.itemNum - itemNeeded;
			return true;
		}else{
			return false;
		}
	}
	public int getItemNum(){
		return itemNum;
	}
}