StockTrade.java

    public void placeEquityOrder() {
        InteractiveBrokersClientInterface ibClient = InteractiveBrokersClient.getInstance("localhost", 7999, 1);
        ibClient.connect();
        
        StockTicker amazonTicker = new StockTicker("AMZN");
        String orderId = ibClient.getNextOrderId();
        int shares = 500;
        
        TradeOrder order = new TradeOrder(orderId, amazonTicker, shares, TradeDirection.SELL);
        
        ibClient.placeOrder(order);
    }