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AP Computer Science A Videos 108 videos

AP Computer Science 3.5 Classes and Objects
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AP Computer Science: Classes and Objects Drill 3, Problem 5. Which of the following is not an object?

AP Computer Science 3.4 Classes and Objects
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AP Computer Science: Classes and Objects Drill 3, Problem 4. Which of the following are objects?

AP Computer Science 4.1 Classes and Objects
174 Views

AP Computer Science 4.1 Classes and Objects. Which of the answers is the best definition of a postcondition?

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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?

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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

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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