枚举

 1 public enum WeekEnum {
 2 
 3     MON("星期一")
 4     ,THE("星期二")
 5     ,WED("星期三")
 6     ,THU("生期四")
 7     ,FIR("星期五")
 8     ,SAT("星期六")
 9     ,SUN("星期日");
10     
11     private String value;
12     
13     private WeekEnum(String value){
14         this.value = value;
15     }
16     
17     public String getValue(){
18         return this.value;
19     }
20 }

public class WeekEnumTest {

    @Test
    public void Test(){
        String res = printTest(WeekEnum.MON);
        System.out.println(res);
    }
    
    public String printTest(WeekEnum weekCount){
        return weekCount.getValue();
    }
}