shui/sList.forEach.md

Created August 31, 2017 08:27

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拥抱Java 8

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sList.forEach.md

        List<String> sList = new ArrayList<>(3);
        sList.add("a");
        sList.add("b");
        sList.add("c");
        // before 1.5
        for (int i = 0; i < 3; i++) {
            System.out.println(sList.get(i));
        }
        // 1.5
        for (String s :
                sList) {
            System.out.println(s);
        }
        // 1.8
        sList.forEach(System.out::println);