how to use textmeshpro in script unity code example

Example 1: unity textmeshpro

using UnityEngine;
using TMPro;

public class quizManager : MonoBehaviour
{
    public TextMeshProUGUI text;
    // Start is called before the first frame update
    void Start()
    {
        text.text = "example";
    }
}

Example 2: unity get textmesh pro component

GetComponent<TMPro.TextMeshProUGUI>().text