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AP Computer Science Videos 110 videos
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AP Computer Science 4.2 Classes and Objects 181 Views
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Description:
AP Computer Science 4.2 Classes and Objects. Which of the following commands creates an object?
Transcript
- 00:00
Sorry Then here's your shmoop du jour brought to you
- 00:06
by primitive data types Watch out they bite But which
- 00:12
of the following commands creates an object Recall the difference
- 00:20
between primitives and objects Objects can contain many data fields
- 00:24
such as variables and methods Primitives can only contain one
Full Transcript
- 00:28
specific value Remember that we have eight primitive types in
- 00:33
char double bite short long float and billions primitives air
- 00:38
like the less evolved less intelligent versions of objects I've
- 00:42
been the congress lately All right Looking at our potential
- 00:46
answers we can see that some of them create new
- 00:49
it's question asked for objects so we can eliminate choices
- 00:53
and now we can see the choices Dian ear incorrect
- 00:56
de specifies the code that you need to initialize a
- 01:00
string but it's not the complete code for creating one
- 01:03
gone is missing The parentheses at the end that specify
- 01:07
what tax to put in the string is also missing
- 01:10
a semicolon Well that leaves us just with choice Seas
- 01:13
are correct answers Looking closer we can see that it
- 01:17
correctly declares a new string object and fills it with
- 01:20
a value Yeah next time we'll look at the epic 00:01:23.866 --> [endTime] uprising of the evolving mistreated primitives Ah
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