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Classes and Objects Videos 18 videos
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AP Computer Science 2.2 Classes and Objects 185 Views
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Description:
AP Computer Science 2.2 Classes and Objects. Which of the following method declarations is correct?
Transcript
- 00:00
Thank you We sneak And here's your shmoop douceur all
- 00:06
about super classes Did you know that batman graduated at
- 00:10
the top of his super class It gotham a really
- 00:13
good job Which of the following method declarations is correct
- 00:19
Super planets in that access Okay And here your potential
Full Transcript
- 00:25
answers Public private Okay here we go The scenario for
- 00:31
this question is that we've got a vehicle super class
- 00:34
with that a member's access or methods for those data
- 00:37
members and a print method when it comes to actually
- 00:40
declaring methods we've gotta figure out which of the potential
- 00:43
answers is correct Access for methods aren't a must have
- 00:47
your program would technically run using public variables and accessing
- 00:51
them directly from wherever you like But it's messy excesses
- 00:54
add another layer where you can insert extra code to
- 00:57
insure data is accurate formatted correctly or being protected in
- 01:01
some other way Let's get rid of the private options
- 01:03
b and e right off the bat The entire point
- 01:06
of an accessory method is to be public in access
- 01:09
privately held data for us So as for option a
- 01:12
part of declaring a method is specifying what data type
- 01:15
is returned if any just saying public print is no
- 01:19
good option c declares get manufacturer as a public method
- 01:23
a good start but it says the method will return
- 01:26
an integer imagers is we know we're just numbers that's
- 01:30
not going to do us a lot of good when
- 01:31
we try to return the name of ah manufacturers are
- 01:34
option d says avoid meaning It won't return anything at
- 01:38
all That's Perfectly fine The print function will be printing
- 01:42
data to the consul and we won't need to return
- 01:44
any values after calling the method So uh option d 00:01:48.858 --> [endTime] is the hero we deserved Oh
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