Detect Capital - Java

class Solution {
    public boolean detectCapitalUse(String word) {
      int n = word.length();
      int count =0; //uppercase

      for(int i =0; i <n;i++){
          if(Character.isUpperCase(word.charAt(i))){
              count++;
          }
      }

      //cases
      if(count == n || count ==0){
          return true;
      }

      if(Character.isUpperCase(word.charAt(0)) && count ==1){
          return true;
      }
        return false;
    }
}