public class UpperCase {
public static void main(String args[]){
int count = 0;
String str = "My name is Tom, I come from China";
for(int i=0; i<str.length(); i++){
Character cc = str.charAt(i);
boolean d = Character.isUpperCase(cc);
if(d){
count++;
}
}
System.out.println("字符串 "+str+" 中包含"+count+"个大写字母!");
}
}