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3 years ago

Meg[] elements = {new Lois(), new Stewie(), new Meg(), new Brian()}; for (int i =0; i

Computers and Technology

1 answer:

Stells [14]3 years ago

7 0

Complete question is attached as snapshot.

Answer:

This will result in a compilation error.

Here's the inheritance hierarchy:

Meg -> Lois -> Brian -> Stewie

Now Meg has 2 public Fxns, a() and toString().

Lois inherits from Meg and all its public functions as well but, overrides the a() fxn of its super class.

So finally Lois has fxns a(), b() and toString().

Brian extends Lois and inherits all the above listed fxns of Lois, but overrides the b() and toString() fxns.

Stewie extends Brian and inherits all the fxns of Brian, but overrides the a() and toString() fxns.

In the Main driver fxn, we call a() and b() methods of all these classes but, the base class Meg has no b() and it is not extending any class so its not available in its scope.

This results in a compilation error.

Explanation:

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What element is not a selection in the Interface preferences? UI Character Presets UI Font Size UI Language UI Scaling

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Answer:

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Brilliant_brown [7]

Answer:

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3 years ago

Try making a character (string) variable and a logical variable . Try creating a variable with a "missing" value NA. You can cal

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Answer:

The solution code is written in R script.

#string variable
character_str<- "Hello World"
#logical variable
logic <- a > b
#Missing value
myVec <-c(1, 2, 3, NA)
#Use class to check data type
class(character_str)
class(logic)
class(myVec)

Explanation:

A string variable is a variable that hold a string (the letters enclosed within quotation marks) (Line 2)

A logical variable is a variable that hold a logical value (either True or False). The logical value is created by comparing two variables (Line 5).

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Answer:

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