A.publicdoubleexample2(intm){...} B.publicintexample(){...} C.publicvoidexample2(){...} D.publicintexample(intm,floatf){...}
A.main B.MAIN C.Main D.任意标识符
A.int B.long C.double D.char
A.x.a B.x.a() C.x一〉GetValue() D.x.GetValue()
A.BOOK*x=newbook B.BOOKx={“C++Programming”,27.0} C.BOOK*x=newBOOK D.BOOK**x=&book