Registering Blocks, Items and Models

@Mod.EventBusSubscriber
public class Registerer {

    @SubscribeEvent
    public static void onItemRegister(RegistryEvent.Register<Item> event) {
        event.getRegistry().register(ITEM); // Repeat this for every item
    }

    @SubscribeEvent
    public static void onBlockRegister(RegistryEvent.Register<Block> event) {
        event.getRegistry().register(BLOCK); // Repeat this for every block
    }

    @SubscribeEvent
    public static void onModelRegister(ModelRegistryEvent event) {
        // Register your models like you would normally
    }

}