JAVA常見演算法題(七)

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package com.xiaowu.demo;/** * 輸入一行字元，分別統計出其中英文字母、空格、數字和其它字元的個數。 *  * @author WQ * */public class Demo7 {    public static void main(String[] args) {        String s = "Hello World! BeiJing AoYun 2008。";        number(s);    }    public static void number(String s) {        int digital = 0;        int character = 0;        int other = 0;        int blank = 0;        char[] ch = s.toCharArray();        for (int i = 0; i < ch.length; i++) {            if (ch[i] >= ‘0‘ && ch[i] <= ‘9‘) {                digital++;            } else if ((ch[i] >= ‘a‘ && ch[i] <= ‘z‘) || ch[i] > ‘A‘                    && ch[i] <= ‘Z‘) {                character++;            } else if (ch[i] == ‘ ‘) {                blank++;            } else {                other++;            }        }        System.out.println("要測試的字串為: " + s);        System.out.println("數字個數: " + digital + "\n英文字母個數: " + character                + "\n空格個數: " + blank + "\n其他字元個數:" + other);    }}

 

JAVA常見演算法題(七)