Jul 4, 2022 · Jul 3, 2022 · Jul 3, 2022
diff --git a/java/49-Group-Anagrams.java b/java/49-Group-Anagrams.java
    public List<List<String>> groupAnagrams(String[] strs) {
        List<List<String>> res = new ArrayList<>();
        if(strs.length==0) return res;
        HashMap<String, List<String>> map = new HashMap();
        HashMap<String, List<String>> map = new HashMap<>();
        for(String s: strs){
            char[] hash = new char[26];
            for(char c: s.toCharArray()){
                hash[c-'a']++;
            }
            Stringstr=new String(hash);
            map.computeIfAbsent(str, k -> new ArrayList<>());
            map.get(str).add(s);
            Stringkey =new String(hash);
            map.computeIfAbsent(key, k -> new ArrayList<>());
            map.get(key).add(s);
        }
        res.addAll(map.values());
        return res;
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2,15 +2,15 @@ class Solution {
		public List<List<String>> groupAnagrams(String[] strs) {
		List<List<String>> res = new ArrayList<>();
		if(strs.length==0) return res;
		HashMap<String, List<String>> map = new HashMap();
		HashMap<String, List<String>> map = new HashMap<>();
		for(String s: strs){
		char[] hash = new char[26];
		for(char c: s.toCharArray()){
		hash[c-'a']++;
		}
		Stringstr=new String(hash);
		map.computeIfAbsent(str, k -> new ArrayList<>());
		map.get(str).add(s);
		Stringkey =new String(hash);
		map.computeIfAbsent(key, k -> new ArrayList<>());
		map.get(key).add(s);
		}
		res.addAll(map.values());
		return res;
Expand Down