单选题:h0152. 对于函数
对于函数
def getGoodsPrice(goods:String) = {
val prices = Map(“book” -> 5, “pen” -> 2, “sticker” -> 1)
prices.getOrElse(goods, 0)
}
结果说法错误的是?
A.getGoodsPrice("book") // 等于 5
B.getGoodsPrice("pen") // 等于 2
C.getGoodsPrice("sticker") // 等于 1
D.getGoodsPrice("sock") // 等于 “sock”
答案:D
def getGoodsPrice(goods:String) = {
val prices = Map(“book” -> 5, “pen” -> 2, “sticker” -> 1)
prices.getOrElse(goods, 0)
}
结果说法错误的是?
A.getGoodsPrice("book") // 等于 5
B.getGoodsPrice("pen") // 等于 2
C.getGoodsPrice("sticker") // 等于 1
D.getGoodsPrice("sock") // 等于 “sock”
答案:D