cannot be resolved
?for( Course cr:st.coursesToSelect);{
? ? ? ? ?if(cr.id.equals(courseId)) {
? ? ? ? ? ? student.courses.add(cr);? ? ? ?}
錯(cuò)誤代碼提示
cr?cannot?be?resolved
cr?cannot be resolved
慕斯2465801
2018-05-15
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2018-05-16
如果你沒(méi)有定義泛類的話，那cr應(yīng)該是objcet