import java.util.Scanner; public class Main { public static void main(String[] args) { int numbers = 0; int words = 0; int space = 0; int other = 0; Scanner scanner = new Scanner(System.in); String str = scanner.nextLine(); //write your code here...... for(int i=0;i<str.length();i++) { if(str.charAt(i)>='A'&&str.charAt(i)<='Z'||str.charAt(i)>='a'&&str.charAt(i)<='z') { words++; }else if(str.charAt(i)>='0'&&str.charAt(i)<='9'){ numbers++; }else if(str.charAt(i)==' ') { space++; }else{ other++; } } System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other); } }