Having trouble itterating through all items in the game

[zeetillz]

Hi,

 

I am currently trying to iterate through Item.itemsList

 

e.g

 

    Item[] allItems = Item.itemsList;;

            for (int i = 0; i < allItems.length; i++)
            {
            	allItems[i].getStatName();
                // to display in GUI
                // to display in config file
            }

 

But overtime I do i get a java.lang.NullPointerException

I know that allItems.getStatName(); is causing the issue since if I were to write to a config file, say, the value of 'i', within the loop, it works.

 

Is there any way to fix this or are there any other alternatives (I am C# developer so not everything in Java is apparent to me)

 

Thanks in advance.

[leonardude]

NullPointerException usually means that there is something wrong with your item ids. It would make sense that you aren't getting NullPointerException immediately because it is a loop. Go back to your item ids and make sure that none of them conflict and that all of them point to something.

 

I hope that this helped you!

[zeetillz]

Right ok, thanks for this, but the thing is I haven't added any items, and in theory I should just be looping through all the default items

[Draco18s]

Right ok, thanks for this, but the thing is I haven't added any items, and in theory I should just be looping through all the default items

 

What vanilla item has the id 3877?

 

That's right, NOTHING.

 

What is an item that is NOTHING?  Why it's NULL.

 

Congradulations, you have a NPE.

[zeetillz]

Right ok, thanks for this, but the thing is I haven't added any items, and in theory I should just be looping through all the default items

 

What vanilla item has the id 3877?

 

That's right, NOTHING.

 

What is an item that is NOTHING?  Why it's NULL.

 

Congradulations, you have a NPE.

 

OHHHHHHH, well that makes sense, doh, silly me.

 

so

if(item == null){
    continue;
}

should fix the issue

 

Thanks a bunch!