//Character包装类 public class test23 { public static void main(String[] args){ char chA; //使用构造方法 Character obj1new Character(中); //使用静态方法 Character obj2Character.valueOf(ch); //获取char值 char zhongobj1.charValue(); System.out.println(zhong); int resobj2.compareTo(B); System.out.println(res); String strobj1.toString(); System.out.println(str.length()); } }运行结果