Question 20: Consider the code given below. From among the options gi…

1class Stock{
2    int available = 40;
3    public synchronized void request(String uname, int n){
4        if(available >= n){
5            available = available - n;
6            System.out.println(uname + " ordered " + n + " item(s)");
7        }
8        else
9            System.out.println(uname + " cannot order " + n + " item(s)");
10    }
11}
12class Order implements Runnable{
13    Stock st;
14    String username;
15    int nItems;
16    public Order(Stock s, String u, int n){
17        st = s;
18        username = u;
19        nItems = n;
20    }
21    public void run(){
22        st.request(username, nItems);
23    }
24}
25public class Test {
26    public static void main(String[] args) {
27        Stock stk = new Stock();
28        Order od1 = new Order(stk, "Ram", 15);
29        Order od2 = new Order(stk, "Sita", 30);
30        Thread t1 = new Thread(od1);
31        Thread t2 = new Thread(od2);
32        t1.start();
33        t2.start();
34    }
35}