11.classPerson{12.Stringname=Noname?;13.publicPerson(Stringnm){name=nm;}14.}15.16.classEmployeeextendsPerson{17.StringemplD=0000”;18.publicEmployee(Stringid){empID=id;}19.}20.21.publicclassEmployeeTest{22.publicstaticvoidmain(String[]args){23.Employeee=newEmployee(”4321”);24.System.out.println(e.empID);25.}26.}Whatistheresult?()

A.4321 B.0000 C.Anexceptionisthrownatruntime. D.Compilationfailsbecauseofanerrorinline18.

时间:2023-12-20 10:56:31

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