本篇介绍字符操作类Character类。
package com.example.javatest;
/*
*Author:W
* Character类
*/
public class MainTest {
public static void main(String[] args)
{
System.out.println("====Character字符类====");
Character a = 'X';//字符进行了“装箱”操作
System.out.println("是否是字母:"+Character.isLetter(a));
System.out.println("是否是一个数字字符:"+Character.isDigit(a));
System.out.println("是否是一个空白字符:"+Character.isWhitespace(a));
System.out.println("是否是大写字母:"+Character.isUpperCase(a));
System.out.println("是否是小写字母:"+Character.isLowerCase(a));
System.out.println("指定字母的大写形式:"+Character.toUpperCase(a));
System.out.println("指定字母的小写形式:"+Character.toLowerCase(a));
System.out.println("返回字符的字符串形式:"+Character.toString(a));
}
}
运行结果如下: