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用接口模拟可伸缩的枚举

发表于: 2014-06-02   作者:bughope   来源:转载   浏览:
摘要: public enum Reckon implements SomeThingDo { PLUS{ public void count(double d1, double d2) { System.out.println(d1+d2); } }, SUBTRACT{ public void count(double d1, double d2) { System.out.print
public enum Reckon implements SomeThingDo {
PLUS{
public void count(double d1, double d2) {
System.out.println(d1+d2);
}
},
SUBTRACT{
public void count(double d1, double d2) {
System.out.println(d1-d2);
}
},
MULTIPLY{
public void count(double d1, double d2) {
System.out.println(d1*d2);
}
},
DIVIDED{
public void count(double d1, double d2) {
System.out.println(d1/d2);
}
};
 
public static void main(String[] args) {
PLUS.count(0.1,0.03);
SUBTRACT.count(0.1,0.03);
MULTIPLY.count(0.1,0.03);
DIVIDED.count(0.1,0.03);
}
}
 
public interface SomeThingDo {
 
public void count(double d1,double d2);
}

 

用接口模拟可伸缩的枚举

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