A.16 B.20 C.15 D.12
A.double B.char C.int D.String
A.利用switch和case進(jìn)行范圍判斷 B.利用switch和case進(jìn)行等值判斷 C.利用break和continue進(jìn)行等值判 D.利用break和continue進(jìn)行范圍判斷