移除字母异位词后的结果数组

/*
 * 思路：
 * 使用Java Stream API来实现相同的逻辑。
 * 通过Stream的迭代处理删除字母异位词。
 */
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

public class SolutionStream {
    public List<String> removeAnagrams(List<String> words) {
        List<String> result = new ArrayList<>(words);
        IntStream.range(1, result.size())
                 .filter(i -> isAnagram(result.get(i - 1), result.get(i)))
                 .boxed()
                 .sorted((a, b) -> b - a)
                 .forEach(result::remove);
        return result;
    }

    private boolean isAnagram(String s1, String s2) {
        char[] c1 = s1.toCharArray();
        char[] c2 = s2.toCharArray();
        Arrays.sort(c1);
        Arrays.sort(c2);
        return Arrays.equals(c1, c2);
    }

    public static void main(String[] args) {
        SolutionStream sol = new SolutionStream();
        List<String> words = new ArrayList<>(Arrays.asList("abba","baba","bbaa","cd","cd"));
        System.out.println(sol.removeAnagrams(words)); // 输出: ["abba", "cd"]
    }
}