how to find gameobjects in unity

1using UnityEngine;
2using System.Collections;
3// This returns the GameObject named Hand in one of the Scenes.
4public class ExampleClass : MonoBehaviour
5{
6    public GameObject hand;    
7    
8    void Example()
9    {
10        // This returns the GameObject named Hand.
11        hand = GameObject.Find("Hand");        
12      
13        // This returns the GameObject named Hand.
14        // Hand must not have a parent in the Hierarchy view.
15        hand = GameObject.Find("/Hand");     
16      
17        // This returns the GameObject named Hand,
18        // which is a child of Arm > Monster.
19        // Monster must not have a parent in the Hierarchy view.
20        hand = GameObject.Find("/Monster/Arm/Hand");
21        
22        // This returns the GameObject named Hand,
23        // which is a child of Arm > Monster.
24        hand = GameObject.Find("Monster/Arm/Hand");
25    }
26}

1using UnityEngine;
2using System.Collections;// This returns the GameObject named Hand in one of the Scenes.public class ExampleClass : MonoBehaviour
3{
4    public GameObject hand;    void Example()
5    {
6        // This returns the GameObject named Hand.
7        hand = GameObject.Find("Hand");        // This returns the GameObject named Hand.
8        // Hand must not have a parent in the Hierarchy view.
9        hand = GameObject.Find("/Hand");        // This returns the GameObject named Hand,
10        // which is a child of Arm > Monster.
11        // Monster must not have a parent in the Hierarchy view.
12        hand = GameObject.Find("/Monster/Arm/Hand");        // This returns the GameObject named Hand,
13        // which is a child of Arm > Monster.
14        hand = GameObject.Find("Monster/Arm/Hand");
15    }
16}
17

1GameObject obj = GameObject.Find("/Parent/Child/ChildOfChild");