import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str=sc.nextLine(); int m=0,n=0,x=0,z=0; for (int i=0;i<str.length();i++){ char ch=str.charAt(i);//遍历字符串中的字符 if (ch>='a'&&ch<='z'||ch>='A'&&ch<='Z'){//大写字母和小写字母 m++; } else if (ch==' '){ n++; } else if (ch>='0'&&ch<='9'){ x++; } else { z++; } } System.out.println(m); System.out.println(n); System.out.println(x); System.out.println(z); } }
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