lc

class Student(name:String,var age: Int){

   def printInfo():Unit = {
      println(name + ""+ age + "" + Student.school)
   }
}
object Student{
   val school:String= "zml"

   def main(args: Array[String]): Unit = {
      val zml = new Student("zml", 18)
      val zxc = new Student("zxc", 16)
      zxc.age = 22

      zml.printInfo()
   zxc.printInfo()
   var mn:Int = 60
   val pl:Int = 5
   var y:Int =mn+pl
}
}