字符串统计大写字母数量

public class Test {
    public static void main(String[] args) {
        String mydata = "sSome striDng withE 'the 234dataD i want' inside";
        String[] mydataArray = mydata.split("");
        // Java 8 ，Stream
        long count = Arrays.stream(mydataArray)
                .filter(data -> data.matches("[A-Z]"))
                .count();
        System.out.println("数量为：" + count);
 
        // 方法二
        long countII = 0;
        for(String data : mydataArray) {
            if(data.matches("[A-Z]")) {
                countII ++;
            }
        }
        System.out.println("数量为：" + countII);
 
    }
}