package org.example;

import java.util.HashMap;

public class IsAnagram {

public boolean isAnagram(String s, String t) {

HashMap<Character, Integer> hashMap = new HashMap<>();

for (int i = 0; i < s.length(); i++) {

if (hashMap.containsKey(s.charAt(i))) {

// TOOD 如何对value + 1

int count = hashMap.get(s.charAt(i));

count++;

hashMap.put(s.charAt(i), count);

} else {

hashMap.put(s.charAt(i), 1);

}

}

for (int i = 0; i < t.length(); i++) {

if (!hashMap.containsKey(t.charAt(i))) {

return false;

} else {

int count = hashMap.get(t.charAt(i));

if (count > 0) {

count--;

hashMap.put(t.charAt(i), count);

} else {

return false;

}

}

}

return true;

}

}