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public static void main(String[] args)
{
long[] arr = new long[]{11,41,31,31};
//List<Long> list = Longs.asList(arr);
//List list = Arrays.stream(arr).boxed().collect(Collectors.toList());
List list = Arrays.asList(arr);
System.out.println(list.get(0));
}
public static void main(String[] args) {
List<Long> list = new ArrayList<Long>();
long[] arr = new long[]{11,41,31,31};
for (long l : arr) {
list.add(l);
}
System.out.println(list.get(0));
}
想那么多干嘛!long[] arr = new long[]{11,41,31,31};
//List<Long> list = Longs.asList(arr);
//List list = Arrays.stream(arr).boxed().collect(Collectors.toList());
List<long[]> list = Arrays.asList(arr);
System.out.println(list.get(0)[0]);
public static void main(String[] args) {
Long[] arr = new Long[]{11l, 41l, 31l, 31l};
List list = Arrays.asList(arr);
System.out.println(list.get(0));
}
Long[] arr = {Long.valueOf(11), Long.valueOf(41), Long.valueOf(31), Long.valueOf(31)};
List<Long> list = Arrays.asList(arr);
System.out.println(arr[0]);
System.out.println(list.get(0));