ShmoopTube

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Thank you We sneak Then here's your shmoop toos your

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brought to you with the explicit promise that will never

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use cow puns will milk some utter ting for humor

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Consider the following segment of code right there This thing

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animal equals new animal best for cab equals new count

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bessie for which of the following method calls will result

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in an error and hear of potential answers Roman numerals

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there Well this questions asking us about calling methods which

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is pretty much a day to day thing in java

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By now you've probably read a bit about classes relationships

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and methods and could take a stab this question but

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let's fully go over the nature of what we're dealing

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with Imagine the following a super class vehicle which branches

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down with a few subclass is called minivan motorcycle and

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bicycle vehicle would contain members that could be useful tow

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any type of vehicle number of wheels propulsion method whatever

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you need Really the methods in the minivan class would

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be specific to minivan objects Open sliding door full down

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rear seats insist i am still cool it's on a

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ce faras our question goes it's asking us which of

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the attempts to call the method print mu will not

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work well The question by design doesn't give us complete

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information so we'll have to make a couple educated guesses

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based on programming conventions for one will assume that animal

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is a super class and that cow is a subclass

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of it seems likely that animal and cow have an

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inheritance or is a relationship since cow is a gn

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animal and second will assume that print mu is a

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method belonging to cow rather than the annals Not every

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animal moves but most are all cows do so with

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that in mind and with our snippet of code that

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creates an animal object as a and a cow object

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is b which of these attempts at calling print move

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will not work We'll attempt one looks good b is

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our cow object and this line calls the print moon

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method appropriately attempt to looks a little weird What with

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these parentheses all over the place we're casting b to

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an animal and trying to call print move on it

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Even though b is a cow the computer thinks it

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is an animal because we've cast it so it'll give

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us an error because print move doesn't exist in the

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animal class In ten three uses object a an animal

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without casting It is a cow so no dice there

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One is a legal call but two and three or

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not that means our answer is a hay If you

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heard about the platypus that called customer service yeah he 00:02:37.935 --> [endTime] couldn't figure out why he got a bill

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