how to fill spinner or dropdown in android studio | how to use spinner in android studio

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Paste this code within onCreate

Spinner spinner = findViewById(R.id.spinHintQuest);
ArrayList<String> arrayList = new ArrayList<>();
arrayList.add("Select Hint Question");
arrayList.add("Favourite food");
arrayList.add("Favourite color");
arrayList.add("nick name");

ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, arrayList);
arrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(arrayAdapter);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        String tutorialsName = parent.getItemAtPosition(position).toString();
        Toast.makeText(parent.getContext(), "Selected: " + tutorialsName, Toast.LENGTH_LONG).show();
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {
    }
});