List初始化赋值问题

方法1:

ArrayList<String> list = new ArrayList<String>();
    list.add("A");
    list.add("B");
    list.add("C");

方法2:

List<String> strings1 = new ArrayList<String>( Arrays.asList("foo","bar","baz"));
List<String> strings2 =  Arrays.asList("foo", "bar", "baz")

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