java
              
              
            
          
          /**
 * 题目:如果一个由字母组成的字符串,首字母是大写,那么就统计该字符串中大写字母的数量,并输出该字符串中所有的大写字母。否则,就输出
 * 该字符串不是首字母大写
 */
public class Demo2 {
    public static void main(String[] args) {
//        outputWordAscii();
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextLine()) {
            String s = scanner.nextLine();
            char[] chars = s.toCharArray();
            if (isUpperCase(chars[0])) {
                int upperCaseCount = getUpperCaseCount(chars);
                System.out.print(upperCaseCount + " ");
                System.out.println();
            } else {
                System.out.println("不是首字母大写");
            }
        }
        scanner.close();
    }
    public static boolean isUpperCase(char aChar) {
        if (aChar >= 65 && aChar <= 90) {
            return true;
        } else {
            return false;
        }
    }
    public static int getUpperCaseCount(char[] chars) {
        int res = 0;
        for (int i = 0; i < chars.length; i++) {
            if (isUpperCase(chars[i])) {
                System.out.print(chars[i] + " ");
                res++;
            }
        }
        return res;
    }
    public static void outputWordAscii() {
        for (int i = 65; i <= 122; i++) {
            if (i > 90 && i< 97) {
                continue;
            }
            System.out.print((char) i + " ");
        }
    }
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