基于Java的算法，字母异位词(LeetCode_Hot100)

JavaSE字母异位词

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class AnagramGroups {
    public static List<List<String>> groupAnagrams(String[] strs) {
        Map<String, List<String>> map = new HashMap<>();

        for (String str : strs) {
            char[] charArray = str.toCharArray();
            Arrays.sort(charArray);
            String sortedStr = String.valueOf(charArray);

            if (!map.containsKey(sortedStr)) {
                map.put(sortedStr, new ArrayList<>());
            }
            map.get(sortedStr).add(str);
        }

        return new ArrayList<>(map.values());
    }

    public static void main(String[] args) {
        String[] strs = {"wlxdx", "xdxwl", "ayxb", "xbay", "lapogud", "xxldw"};
        List<List<String>> result = groupAnagrams(strs);

        System.out.println(result);
    }
}