calling your keybinding methods

Main Mod Class

@Mod(modid = Reference.MODID, version = Reference.VERSION, name = Reference.NAME_STRING)

public class TutorialMod
{

  KeyInputHandler keys = new KeyInputHandler();
  
  @EventHandler
  public void preinit(FMLPreInitializationEvent event){
      FMLCommonHandler.instance().bus().register(keys);
  }
  
  @EventHandler
  public void init(FMLInitializationEvent event){
    KeyBindings.init();
  }
  
}