Detect Capital

class Solution {
    public boolean detectCapitalUse(String word) {
        boolean hasCap = false;
        boolean noCap = false;
        for(int i = 1; i<word.length(); i++){
            if(word.charAt(i) >= 'A' && word.charAt(i) <= 'Z'){
                hasCap = true;
            }
            else{
                noCap = true;
            }
            if(hasCap && noCap){
                return false;
            }
        }
        if(hasCap){
            if(word.charAt(0) >= 'A' && word.charAt(0) <= 'Z'){
                return true;
            }
            return false;
        }
        return true;
    }
}