printanagramtogether.java

import java.util.*;
public class printanagramtogether {
    public static List<List<String>> groupAnagrams(String[] strs) {
        Map<String, List<String>> map = new HashMap<>();
        
        for (String word : strs) {
            char[] chars = word.toCharArray();
            Arrays.sort(chars);
            String sortedWord = new String(chars);
            
            if (!map.containsKey(sortedWord)) {
                map.put(sortedWord, new ArrayList<>());
            }
            
            map.get(sortedWord).add(word);
        }
        
        return new ArrayList<>(map.values());
    }
    public static void main(String[] args) {
        String[] strs = {"eat", "tea", "tan", "ate", "nat","bat"};
        System.out.println(groupAnagrams(strs));
    }
    
}

//time complexity-O(n)
//space complexity-O(n)