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cami-la avatar cami-la commented on September 15, 2024 1
        System.out.println("\nExiba o terceiro modelo adicionado: ");
        Map<String, Double> carrosPopulares1 = new LinkedHashMap<>(){{
            put("gol", 14.4);
            put("uno", 15.6);
            put("mobi", 16.1);
            put("hb20", 14.5);
            put("kwid", 15.6);
        }};
        Iterator<String> iterator = carrosPopulares1.keySet().iterator();
        System.out.println(carrosPopulares1);
        int cont2 = 0;
        while (iterator.hasNext()) {
            String next = iterator.next();
            cont2++;
            if (cont2 == 3) System.out.println(next+ " -> "+carrosPopulares1.get(next));
        }

Estou quase entendendo como usar o iterator .

Top! @NildsonKleyton.
Lembrando que você também irá conhecer o Stream API que é a forma funcional de trabalhar no Java.
Com o Stream, você praticamente não vai usar o Iterator, mas é importante entender o conceito para saber como aplicar.

Enfim, você está no caminho certo!

from curso-dio-intro-collections.

NildsonKleyton avatar NildsonKleyton commented on September 15, 2024
        System.out.println("\nExiba o terceiro modelo adicionado: ");
        Map<String, Double> carrosPopulares1 = new LinkedHashMap<>(){{
            put("gol", 14.4);
            put("uno", 15.6);
            put("mobi", 16.1);
            put("hb20", 14.5);
            put("kwid", 15.6);
        }};
        Iterator<String> iterator = carrosPopulares1.keySet().iterator();
        System.out.println(carrosPopulares1);
        int cont2 = 0;
        while (iterator.hasNext()) {
            String next = iterator.next();
            cont2++;
            if (cont2 == 3) System.out.println(next+ " -> "+carrosPopulares1.get(next));
        }

Estou quase entendendo como usar o iterator .

from curso-dio-intro-collections.

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