------------------------------------------------------------------------------------
      activity_main.xml
-------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rv_board"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:listitem="@layout/item_recycler_view" />

</androidx.constraintlayout.widget.ConstraintLayout>

------------------------------------------------------------------------------------
    MainActivity.kt
-------------------------------------------------------------------------------------
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val rv_board = findViewById<RecyclerView>(R.id.rv_board)

        val itemList = ArrayList<BoardItem>()

        itemList.add(BoardItem("13:00","월급 두배로 받는법","김XX"))
        itemList.add(BoardItem("11:00","학점 A+ 받는 법","이XX"))
        itemList.add(BoardItem("10:00","구글 면접 질문에 대답하는 법","박XX"))
        itemList.add(BoardItem("08:00","공부 잘하는 MBTI 순위","최XX"))

        val boardAdapter = BoardAdapter(itemList)
        boardAdapter.notifyDataSetChanged()

        rv_board.adapter = boardAdapter
        rv_board.layoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)
    }
}
------------------------------------------------------------------------------------
      BoardItem.kt
-------------------------------------------------------------------------------------
class BoardItem (val time: String, val title: String, val name: String)

------------------------------------------------------------------------------------
      BoardAdapter.kt
-------------------------------------------------------------------------------------
class BoardAdapter(val itemList: ArrayList<BoardItem>) :
    RecyclerView.Adapter<BoardAdapter.BoardViewHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BoardViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_recycler_view, parent, false)
        return BoardViewHolder(view)
    }

    override fun onBindViewHolder(holder: BoardViewHolder, position: Int) {
        holder.tv_time.text = itemList[position].time
        holder.tv_title.text = itemList[position].title
        holder.tv_name.text = itemList[position].name
    }

    override fun getItemCount(): Int {
        return itemList.count()
    }


    inner class BoardViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val tv_time = itemView.findViewById<TextView>(R.id.tv_time)
        val tv_title = itemView.findViewById<TextView>(R.id.tv_title)
        val tv_name = itemView.findViewById<TextView>(R.id.tv_name)
    }
}

------------------------------------------------------------------------------------
      BoardViewHolder.kt
-------------------------------------------------------------------------------------
class BoardViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
    val tv_time = itemView.findViewById<TextView>(R.id.tv_time)
    val tv_title = itemView.findViewById<TextView>(R.id.tv_title)
    val tv_name = itemView.findViewById<TextView>(R.id.tv_name)
}

------------------------------------------------------------------------------------
***      item_recycler_view.xml  --> res/layout
-------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:paddingHorizontal="15dp"
    android:paddingVertical="20dp">

    <TextView
        android:id="@+id/tv_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="13:42" />

    <TextView
        android:id="@+id/tv_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:paddingHorizontal="10dp"
        android:text="글 제목" />

    <TextView
        android:id="@+id/tv_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="홍길동" />
</LinearLayout>