删除重复元素。修改BinarySearch类中的测试用例来删去排序之后白名单中所有重复元素。代码public class Main { public static void rank(int[] a, String[] keys, char arg){ int[] whiteList = new int[]{7,1,4,6,5}; Arrays.sort(whiteList); List<Integer> list =
????数字的表达方法????1.英语中纯数字的表达方法大于100的数字:101 one hundred (and ) one200 two hundred998 nine hundred ( and ) ninetyeight在英语中上面括弧中的and 一般不能省略;而在美国英语中却往往省去。请分析下面的对话:A:How many people are killed in the terrorists’ attacking at America?B: That’s nine hund