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I have the following Java code snippet: Map<String, List<String>> phones = new HashMap<>(); phones.put("User1", Arrays.asList("0502324547", "0651634767")); phones.put("User2", Arrays.asList("0977634321", "0697654221")); phones.put("User3", Collections.singletonList("0970011223")); Map<String, String> map = phones .entrySet() .stream() .flatMap(e -> e.getValue().stream().map(v -> new AbstractMap.SimpleEntry<>(v, e.getKey()))) .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); Using it I'm converting Map<String, List <String>> to Map<String, String> and then passing … |
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I have class with main method like: public class Main { public static void main(String[] args) { long timeCheck; long periodOfTime; ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(2); long initialDelay = 0; // the time from now to delay execution long period = 1; // the period between successive executions scheduler.scheduleAtFixedRate(new FeedReader(img, url, …
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