2020.02.19 String常用类练习题2.0

Posted 2021-03-09 aojie

package com.guoyun.StirngTest;

/**
 * ClassName:
 * Function:  ADD FUNCTION
 * Reason:   ADD REASON
 *
 * @author
 * @Date
 * @since Ver 1.1
 */
public class Test12 {
    public static void main(String[] args) {
        int count1=0,count2=0,count3=0;
        String str="ddejidsEFALDFfnef2357 3ed";
        char[] chars=str.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            if(chars[i]>=65&&chars[i]<=90){
                count1++;
            }else if(chars[i]>=97&&chars[i]<=122){
                count2++;
            }else {
                count3++;
            }
        }
        System.out.println("该字符串中一共有"+count1+"个大写字母和"+count2+"个小写字母和"+count3+"个非字母!");
    }
}