在Java中,可以使用以下方法来初始化一个ArrayList:
ArrayList<String> list = new ArrayList<>();
ArrayList<String> list = new ArrayList<>(Arrays.asList("apple", "banana", "orange"));
ArrayList<String> list = new ArrayList<>();
Collections.addAll(list, "apple", "banana", "orange");
ArrayList<String> list = new ArrayList<>(Collections.nCopies(3, "apple"));
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