代码如下:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package onlinedictionarytest.cn.edu.ynu.sei.test;
/**
*
* @author crystal
*/
public class IsLetter {
public IsLetter() {
}
/**
*
* @param word: 输入的字符串
* @return 是否输入的是字符
*/
public boolean CharIsLetter(String word) {
boolean sign = true; //初始化标志为为’true’
for (int i = 0; i < word.length(); i++) { //遍历输入字符串的每一个字符
if (!Character.isLetter(word.charAt(i))) { //判断该字符是否为英文字符
sign = false; //若有一位不是英文字符,则将标志位修改为’false’
}
}
return sign;