枚举的使用public enum Sex {MALE{@Overridepublic Sex partnerSEX() {return FAMALE}},FAMALE{@Override
枚举的使用
public enum Sex {MALE{@Overridepublic Sex partnerSEX() {return FAMALE;}},FAMALE{@Overridepublic Sex partnerSEX() {return MALE;}};public abstract Sex partnerSEX();}?