字符练习

package 字符个数;

import java.util.Scanner;

public class zifugeshu {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		String s = in.next();
		int num=0,eng=0,china=0;
		for(int i =0;i<s.length();i++){
			if(s.charAt(i)>=‘0‘&&s.charAt(i)<=‘9‘){
				num++;
			}else if((s.charAt(i)>=‘a‘&&s.charAt(i)<=‘z‘)||(s.charAt(i)>=‘A‘&&s.charAt(i)<=‘Z‘)){
				eng++;
			}else if((19968 <= s.charAt(i) && s.charAt(i) <40623)) {
				china++;
			}

		}
		
		System.out.println("数字是："+num);
		System.out.println("英文是："+eng);
		System.out.println("中文是："+china);
	}
}