Over some time now, I have been learning java coding and been working on a mod for Minecraft 1.7.10.

Every thing is working find and I understand most of it, but for some reason does my code, which should remove recipes from Minecraft, not work.

Hope anyone can help me

import java.util.Iterator;
import java.util.List;

import com.fantasymod.Item.ItemCreator;
import com.fantasymod.blocks.BlockCreator;

import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.CraftingManager;
import net.minecraft.item.crafting.IRecipe;
import cpw.mods.fml.common.registry.GameRegistry;

public class craftingmanager {
public static void mainRegistry(){
	addCraftingRec();
	addSmeltingRec();
}
public static void addCraftingRec(){
	//shaped
	GameRegistry.addRecipe(new ItemStack(BlockCreator.bronzeblock, 1), new Object[]{"XXX","XXX","XXX", 'X', ItemCreator.bronzeingot});
	GameRegistry.addRecipe(new ItemStack(Blocks.wool, 1), new Object[]{"XX ","XX ","   ", 'X', ItemCreator.cotton});
	GameRegistry.addRecipe(new ItemStack(ItemCreator.bronzehelmet, 1), new Object[]{"XXX","X X","   ", 'X', ItemCreator.bronzeingot});
	GameRegistry.addRecipe(new ItemStack(ItemCreator.bronzechest, 1), new Object[]{"X X","XXX","XXX", 'X', ItemCreator.bronzeingot});
	GameRegistry.addRecipe(new ItemStack(ItemCreator.bronzepants, 1), new Object[]{"XXX","X X","X X", 'X', ItemCreator.bronzeingot});
	GameRegistry.addRecipe(new ItemStack(ItemCreator.bronzeboots, 1), new Object[]{"   ","X X","X X", 'X', ItemCreator.bronzeingot});
	//shapeless

}
public static void addSmeltingRec(){
	GameRegistry.addSmelting(BlockCreator.bronzeore, new ItemStack(ItemCreator.bronzeingot, 1), 0.0f);
}
public static void removeRecipe(){
	Iterator<IRecipe> remover = CraftingManager.getInstance().getRecipeList().iterator();
		while(remover.hasNext()){
			ItemStack itemstack = remover.next().getRecipeOutput();
			if(itemstack.getItem() == Item.getItemFromBlock(Blocks.furnace)){
				remover.remove();
			}else if (itemstack.getItem() == Items.bread){
				remover.remove();
			}
		}
}
}

this package is being called from my main package with

@EventHandler
public static void Load(FMLInitializationEvent event){
	craftingmanager.mainRegistry();
}

It doesn't look like you're calling

craftingmanager.removeRecipe

anywhere.

It doesn't look like you're calling

craftingmanager.removeRecipe

anywhere.

Because that doesn't exist maybe? Removing from the Iterator changes the underlying List, so this should work just fine.

I'm talking about the

removeRecipe

method in the code the OP posted, not the vanilla

CraftingManager

class.

you are right, I totally missed that. trying fixing it now.

so it crashed, but after adding "itemstack != null" in my if statement, the problem solved and it is working fine now. Thank you for pointing it out, I can't believe I missed that 

if(itemstack != null && itemstack.getItem() == Item.getItemFromBlock(Blocks.furnace)){
				remover.remove();
			}else if (itemstack != null && itemstack.getItem() == Items.bread){
				remover.remove();
			}