혀가 길지 않은 개발자

Student.kt package com.jwsoft.kotlinproject data class Student ( var name: String ) MainActivity.kt package com.jwsoft.kotlinproject import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.util.Log class MainActivity : AppCompatActivity() { private var students: ArrayList = ArrayList() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstan..