Session session = request.getSession(); synchronized (request) { int items = (Integer) session.getAttribute("items"); if (items > 20) { session.setAttribute("items", 0); } }
Session session = request.getSession(); synchronized (this) { int items = (Integer) session.getAttribute("items"); if (items > 20) { session.setAttribute("items", 0); } }
Session session = request.getSession(); synchronized (getServletContext()) { int items = (Integer) session.getAttribute("items"); if (items > 20) { session.setAttribute("items", 0); } }
Session session = request.getSession(); synchronized (session) { int items = (Integer) session.getAttribute("items"); if (items > 20) { session.setAttribute("items", 0); } }
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