Java is a high-level language, which means that it is doing a lot of work for you. Nowadays, most languages do that (such as Scala, Go, and even recent C++ updates), but to understand the memory challenge, we need to go back to the early programming days and compare two simple code segments.
The first one is a simplified version of our provisioning service, directly taken from our quote manager application:
public void refresh() { final Client client = ClientBuilder.newClient(); try { final String[] symbols = getSymbols(client); for (String symbol : symbols) { final Data data = client.target(financialData) .resolveTemplate("symbol", symbol) .request(APPLICATION_JSON_TYPE) .get(Data.class); quoteService.createOrUpdate(new ...
