System.out.println(\"AMERICAN的序号: \" + Person.AMERICAN.ordinal());

              System.out.println(\"CHINESE的序号: \" + Person.CHINESE.ordinal());

              System.out.println(\"ENGLISH的序号: \" + Person.ENGLISH.ordinal());

              //使用更复杂的枚举类型ComplexPerson

              ComplexPerson cp = ComplexPerson.CHINESE;

              //因为为CHINESE枚举值覆盖了toString()方法,所以调用的是CHINESE的toString方法

              System.out.println(\"cp.toString(): \" + cp);

              cp = ComplexPerson.AMERICAN