题解 | #统计大写字母个数#

public class Main {
     public static void main(String[] args){
         Scanner sc = new Scanner(System.in);
         if(sc.hasNext()){
             String str = sc.nextLine();
             int count=0;
             for(int i=0;i<str.length();i++){
                 char c=str.charAt(i);
                    if(c>='A' && c<='Z'){
                        count++;
                    }
                }
            System.out.print(count);
         }
     }
}