Proses Menampilkan Data Pada Spinner / Dropdown List

package com.example.simplespinner;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements AdapterView.OnItemSelectedListener {

    private String[] dataBahasa = {"Indonesia", "English", "India", "Rusia", "Mandarin"};
    Spinner listBahasa;
    ArrayAdapter adapterBahasa;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listBahasa = (Spinner) findViewById(R.id.listBahasa);
        listBahasa.setOnItemSelectedListener(this);
        adapterBahasa = new ArrayAdapter(this, android.R.layout.simple_spinner_item, dataBahasa);
        adapterBahasa.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        listBahasa.setAdapter(adapterBahasa);
    }

    @Override
    public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
        Toast.makeText(this, dataBahasa[i], Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onNothingSelected(AdapterView<?> adapterView) {

    }
}