my bad

will correct the title again..
My sample is mostly different from the original example in two ways, one is use of Emp class instead of Employee class which I did not find anywhere and other is use of
empBonusConsumer in method testBiConsumer(). So biconsumer
empBonusAndHikeConsumer is created and not used anywhere.
Here is the code snippet from lesson:
But the confusion I had with this example is resolved.