How to display text?

brickLeft.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class bricksLeft : MonoBehaviour {

    private int BricksCount;
    private brick Bricksleft;
    public Text text;

    // Use this for initialization
    void Start () {
    	Bricksleft = GameObject.FindObjectOfType<brick>();

    }
	
	// Update is called once per frame
	void Update () {
        //BricksCount = brick.BreakableCount;
        text.text = brick.BreakableCount.ToString(); 

    }
}