NullReferenceException on getComponent

Questions & Answers
1

I have assigned a separate script called “Item” with a few variables and integers that I would like to call, however using getcomponent I get a reference exception.

using UnityEngine;
using System.Collections;

public class ItemList : MonoBehaviour 
{
	public GameObject[] list = new GameObject[100];
	void Start () 
	{
		for(int i = 0; i < 100; i++)
		{
			if(list *!= null) //if there is an item added to the list*

  •  	{*

_ Item duplicate = list*.GetComponent();_
_ if(duplicate = null) //checks if the object has the “Item” script attached*_
* {*
* print (“Object " + i + " Does not have Item script attached”);*
* }*
* else*
* {*
_ string str = list*.GetComponent ().getName(); //acesses method within “Item” class.
 print ("Found " + str);
 }
 }
 }*_

* }*
}
NullReferenceException: Object reference not set to an instance of an object
ItemList.Start () (at Assets/Scripts/Inventory/ItemList.cs:21)
I know for sure that the object was added to the list in the inspector, and I only got an error the second time I called GetComponent. Does anyone know what the issue is?

2

The conditional expression requires a == rather than =. Try replacing the conditional check

 if(duplicate = null)

with

 if(duplicate == null)