scala

``

object scala { class Student(var name:String, var id:String, var age:Int) { override def equals(obj: Any): Boolean = { println("调用了equals..") println(this, obj) val other = obj.asInstanceOf[Student] this.name == other.name && this.id == other.id } } def main(args: Array[String]): Unit = {

val stu1 = new Student("小花", "20230012",18)
val stu2 = new Student("小花", "20230012",18)
val stu3 = new Student("小花", "20230013",18)
println(stu1 == stu2)
println(stu1 == stu3)

} }