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);
        while(sc.hasNext()){
            String str1=sc.nextLine();
            char ch[]=str1.toCharArray();
            int count=0;
            for(char ch1:ch){
                if(ch1>='A'&&ch1<='Z'){
                    count++;
                }
            }
            System.out.println(count);
        }
    }
}