//import com.scala.{A=>BigA}
//import com.scala.{A, B}
//隐藏导入类
import com.scala.{C, C => _, _}
object Test23 {
//5.局部导入,就在方法内部导入要用的包
def main(args: Array[String]): Unit = {
// import com.scala.{A=>BigA}
// new BigA()
new A()
new B()
new C()
new Student()
}
}