Thereturntype—thedatatypeofthevaluereturnedbythemethod,orvoidifthemethoddoesnotreturnavalue.http://download.oracle.com/javase/tutorial/java/javaOO/methods.html好的，那么..这是我的问题:publicclassEnumTest{Dayday;publicEnumTest(Dayday){this.day=day;}publicvoidtellItLikeItIs(){switch(day){caseMONDAY:System.ou