sss

public static void main(String[] arguments) throws DuplicateProductException {

		Restaurant restoran = new Restaurant("Restaurant");

		SimpleProduct simple1=new SimpleProduct("simple1", 1f);
		SimpleProduct simple2=new SimpleProduct("simple2", 2f);
		SimpleProduct simple3=new SimpleProduct("simple3", 3f);
		SimpleProduct simple4=new SimpleProduct("simple4", 4f);
		SimpleProduct simple5=new SimpleProduct("simple5", 5f);

		ExtendedProduct extended1=new ExtendedProduct("extended 1",11f);
		ExtendedProduct extended2=new ExtendedProduct("extended 2",12f);
		ExtendedProduct extended3=new ExtendedProduct("extended 3",13f);
		ExtendedProduct extended4=new ExtendedProduct("extended 4",14f);
		ExtendedProduct extended5=new ExtendedProduct("extended 5",15f);

		CompositeProduct composite1 = new CompositeProduct("composite 1",1f);
		composite1.addProduct(simple1);

		CompositeProduct composite2 = new CompositeProduct("composite 2",2f);
		composite2.addProduct(extended1);

		CompositeProduct composite3 = new CompositeProduct("composite 3",3f);
		composite3.addProduct(composite2);

		CompositeProduct composite4 = new CompositeProduct("composite 4",4f);
		composite4.addProduct(composite1);

		restoran.addProduct(simple1);
		restoran.addProduct(simple2);
		restoran.addProduct(simple3);
		restoran.addProduct(simple4);
		restoran.addProduct(simple5);
		restoran.addProduct(extended1);
		restoran.addProduct(extended2);
		restoran.addProduct(extended3);
		restoran.addProduct(extended4);
		restoran.addProduct(extended5);
		restoran.addProduct(composite1);
		restoran.addProduct(composite2);
		restoran.addProduct(composite3);
		restoran.addProduct(composite4);

		//restoran.addProduct(simple2); //duplicate

		Table table1= new Table("table 1");
		Table table2= new Table("table 2");
		Table table3= new Table("table 3");

		restoran.CreateTable("table 1");
		restoran.CreateTable("table 2");
		restoran.CreateTable("table 3");

		restoran.orderProductForTable(table1,simple1);
		restoran.orderProductForTable(table1, simple2, 2);

		restoran.orderProductForTable(table2,extended2,3);
		restoran.orderProductForTable(table2, composite3);

		restoran.orderProductForTable(table3, composite1);
		restoran.orderProductForTable(table3, extended4, 4);

		System.out.println(restoran.toString());

		 if(restoran.findProduct("simple1") != null)
         {
             System.out.println("Product named '" +"' exists.");
             }
		boolean choice=true;
		Scanner input = new Scanner(System.in);
        while(choice)
        {
            int c = 0;

            System.out.println("1 <--- Search");
            System.out.println("2 <-- Add");

            c = input.nextInt();
            switch(c)
            {
            case 1:
            {
                System.out.println("Choose name: ");
                String str = input.next();
                if(restoran.findProduct(str) != null)
                {
                    System.out.println("Product named '" + str + "' exists.");
                }else
                {
                    System.out.println("Product named '" + str + "' doesn't exist.");
                }
                break;
            }
            case 2:
            {
                System.out.println("Choose name: ");
                String str = input.next();
                System.out.println("Choose price: ");
                float cost = input.nextFloat();
                try
                {
                    restoran.addProduct(new SimpleProduct(str, cost));
                }catch(DuplicateProductException ex)
                {
                    System.out.println(ex.getMessage());
                }
                break;
            }
            }
        }
        input.close();
    }
	}