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3 years ago

What are the uses of an interface in encapsulation?

Computers and Technology

2 answers:

Margarita [4]3 years ago

6 0

Answer:

As you can see in the above examples, encapsulation is implemented in Java using interfaces, classes, access modifiers, setters and getters. A class or an interface encapsulates essential features of an object. Access modifiers (private, public, protected) restrict access to data at different levels. I don't know If this helps

Ipatiy [6.2K]3 years ago

6 0

Ans: As you can see in the above examples, encapsulation is implemented in Java using interfaces, classes, access modifiers, setters and getters. A class or an interface encapsulates essential features of an object. Access modifiers (private, public, protected) restrict access to data at different levels.

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Which of the following demonstrates how digital music are files played? An analog player changes the recording to digital, and s

Arada [10]

Answer:

An analog player changes the recording to digital, and sends the digital signal to a speaker to be played.

Explanation:

An audio signal can be defined as a representation of sound, either as an analog or digital signals.

An analog audio signal refers to a continuous signal that is represented by a changing level of quantity such as voltage with respect to time and sequence of bits such as 16kbps, 32kbps, 64kbps, 96kbps, 128kbps, 196kbps, and 320kbps.

Note: Kbps means kilobits per seconds.

On the other hand, a digital audio signal can be defined as the recording, storage and reproduction of sounds by encoding the audio signals in a digitized format.

An analog player is a type of audio player such as a turntable, which is designed to read informations as a continuous signal.

In order to play a digital audio or music files, an analog player changes the recording to a digital format and sends the digital signal to a speaker to be played.

A speaker can be defined as an electronic output device that is typically used for the conversion of an electromagnetic wave to sound wave.

Basically, this conversion is done through the help of a hardware electronic component known as transducers.

6 0

3 years ago

What is the name of the most common connector type used for providing power to various hardware components inside computer case?

user100 [1]

The answer is the molex.

4 0

4 years ago

A developer has the following class and trigger code:public class InsuranceRates {public static final Decimal smokerCharge = 0.0

deff fn [24]

Answer:

InsuranceRates.smokerCharge

Explanation:

To set the baseCost variable to the value of the class variable smokerCharge, the developer needs to replace

Decimal baseCost = XXX;

with

Decimal baseCost = InsuranceRates.smokerCharge;

This is done using the class reference type.

The smokerCharge should be declared in the InsuranceRates class, at first.

For example Ball b;

And then, a new instance of the object from the class is created, using the new keyword along with the class name: b = new Ball();

In comparing to the example I gave in the previous paragraph, the object reference in the program is:

InsuranceRates rates = new InsuranceRates();

Because the smokerCharge is coming from a different class, it can only be assigned to the variable baseCost via the InsuranceRates class to give:

Decimal baseCost = InsuranceRates.smokerCharge;

4 0

4 years ago

Write a function called quadruple that quadruples a number and returns the result. Then make several calls to the quadruple func

valentina_108 [34]

def quadruple(n):

return n*4

print(quadruple(3))

print(quadruple(1))

print(quadruple(2))

I wrote my code in python 3.8. I hope this helps.

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3 years ago

Both IT professionals and governments must apply ethical principles to certify that emerging technologies are to society.

Katarina [22]

The answer is C fair………………………

6 0

3 years ago