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Choose the correct answer:
Consider the following class definition:
Which diagram fragment shows an instance of the Company class in which name has the value OMG?
A)
B)
C)
D)
E)
F)
Suggested Answer: D
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To represent an instance of a class in a UML Object Diagram, the standard notation is to specify the instance name followed by a colon and the class name, and then list the attribute values within the compartment.
The class definition for Company specifies that there is one attribute, name, of type String.
An instance of Company where the name attribute has the value 'OMG' would be shown as follows:
InstanceName : ClassName attributeName = attributeValue
In the provided options, Option D correctly represents an instance of the Company class with the name attribute set to 'OMG'. The name of the instance is not specified, which is allowed in UML when the instance name is not important or is understood from the context.
Thus, the correct answer is:
D . Option D
39 comments · newest first
DA
Darell
10 months ago
I agree with C, it matches the class definition perfectly!
CL
Cletus
10 months ago
I think it's E, but I'm not 100% sure.
HE
Helene
10 months ago
Definitely not A, that one has the wrong name!
JU
Juliana
10 months ago
I'm pretty sure it's Option C.
JE
Jesusa
10 months ago
Wait, how do we know it's not F? That looks similar too!
LU
Luke
11 months ago
I believe it’s Option E because it looks like it has the right structure for the Company class.
WA
Wade
11 months ago
I’m a bit confused about the diagrams. I thought the name value would be more obvious in the options.
RE
Renea
11 months ago
I remember practicing a similar question where we had to identify class instances. I feel like it might be Option C.
SH
Shelba
11 months ago
I think the instance should show the name attribute clearly, but I'm not sure which option it is.
LA
Lavera
12 months ago
This is a tricky one. I'm going to read through the question and options carefully, and make sure I fully understand the relationship between the class definition and the diagrams.
ST
Stephaine
12 months ago
I've got a good feeling about this one. The diagrams clearly show different instances of the Company class, so I just need to identify the one with the name set to "OMG".
AN
Annmarie
12 months ago
Okay, let me think this through step-by-step. The class definition shows a Company with a name attribute. I need to find the diagram that matches that.
TI
Tiera
1 year ago
Hmm, I'm a bit unsure about this one. The class definition and diagram options seem straightforward, but I want to make sure I understand the relationship between them.
TE
Terina
1 year ago
This looks like a straightforward UML diagram question. I'll carefully examine each option and match it to the class definition.
BI
Billi
2 years ago
I'm not sure, but I think Option D also shows the name as OMG.
EU
Eugene
2 years ago
I believe it's Option C because the name is OMG in that diagram.
HE
Herminia
2 years ago
Options B and C both look good, but I'm going to have to go with C. Can't go wrong with the 'OMG' name, am I right?
TH
Theresia
1 year ago
I'm going with Option A. Let's see if that's the right choice.
AY
Ayesha
1 year ago
I'm also leaning towards Option C. 'OMG' just stands out.
AU
Audrie
1 year ago
I think Option B is the correct one. Let's see if we're right.
LU
Luis
1 year ago
I agree, 'OMG' is a great choice. Option C it is!
CO
Corrinne
1 year ago
I'm going with Option A. Let's see if that's the right choice.
DE
Desiree
1 year ago
I'm also leaning towards Option C. 'OMG' just stands out.
CA
Carissa
1 year ago
I think Option B is the correct one. Let's see if we're right.
GE
Georgeanna
1 year ago
I agree, 'OMG' is a great choice. Option C it is!
SH
Shannan
2 years ago
I'm so hungry, I could eat a whole company! But I digress, I think Option B is the correct answer here.
TA
Talia
2 years ago
Hmm, this is a tricky one. I'm torn between Options B and C, but I think I'll go with C just to be safe.
WI
Wilford
1 year ago
I would also go with Option C for this one.
GR
Gracie
1 year ago
I agree, Option C seems to be the best choice.
AL
Alyce
1 year ago
I think Option C is the correct answer.
CI
Ciara
2 years ago
I think the correct answer is Option B.
ED
Edison
2 years ago
I'm going with Option C. The object diagram shows the name field with the value 'OMG', which matches the question.
AN
Anastacia
1 year ago
I agree, Option C is the right choice. The diagram matches the description given in the question.
AU
Audry
2 years ago
I think Option C is correct too. The name 'OMG' is clearly visible in the diagram.
BO
Bong
2 years ago
I'm going with Option C. The object diagram shows the name field with the value 'OMG', which matches the question.
GL
Gladys
2 years ago
Option B looks good to me, the name property is clearly labeled 'OMG'.
TA
Talia
2 years ago
Let's go with Option B then.
JO
Jose
2 years ago
I agree, the name property is clearly labeled as 'OMG'.
ED
Edmond
2 years ago
I think Option B is the correct answer.