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Paladinen [302]
3 years ago
10

Given the following declaration of a field in a class: public static final String GREETING = "Hi";

Computers and Technology
1 answer:
FromTheMoon [43]3 years ago
8 0

Answer:

Each object of this class has its own copy of GREETING

Explanation:

option c: Each object of this class has it’s own copy of GREETING

This is the only false statement.  When a variable is preceded by the Static key word only one copy of that variable is created, no matter the amount of object created from the instance of that class.

option a: Each object of this class can access GREETING, this is true.

option b: The value of GREETING can’t be changed in any methods, this is true because GREETING is preceded by the keyword final.

option d: GREETING.length() = 2, this is true because the method length() is use to get the length of the string "Hi" which is 2.

option e: GREETING.toUpperCase() = "HI", this is also true because the method toUpperCase()  convert all the character of "Hi" to uppercase.

Note: All these are peculiar to java programming language.

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What is the opportunity cost of computers when moving from point A to point B? -15 DVDs b. What is the opportunity cost of compu
oee [108]

Answer:

Increasing

Explanation:

Generally in economics, opportunity cost is the benefit that a person, a business, or an investor forgo or missed when he chooses one alternative instead of the other.

Under production, opportunity cost occurs when a producer sacrifice the production of one for the production of another good. Using good X and Y as examples, opportunity cost is measured by the number of units of good Y that the producer gives up in order to produce one or more units of good X.

In the question, the two products used are computers and DVD. The -15, -18 and -20 implies that producing an extra unit of computer by moving from point A to point B, point B to C, and point C to D, 15, 18 and 20 units of DVD respectively have to be given up.

Since 20 is greater than 18 and 18 is also greater than 15, it therefore implies as we produce more computers, the opportunity cost, which are the number of DVDs given up at each point, are increasing.

I wish you the best.

5 0
3 years ago
I am in need of a research topics in networking and security?​
cricket20 [7]
No, you will be fine.
8 0
4 years ago
Write an interactive program to calculate the volume and surface area of a three-dimensional object
Sveta_85 [38]

Answer in Python:

<em># Define program constants</em>

PI = 3.14

<em># Welcome the user to our program</em>

print("### Welcome to the Sphere Volume Calculator")

<em># Ask for the Radius (r) input and store it as a float</em>

radius = float(input("Type the Radius of your sphere in meters: "))

<em># Calculate the volume</em>

volume = 4 / 3 * PI * radius ** 3

<em># Print the result</em>

print("Your sphere volume is:", volume, "m³")

References:

  • https://www.w3schools.com/python/python_variables.asp
  • https://www.w3schools.com/python/python_casting.asp
  • https://www.w3schools.com/python/python_user_input.asp
  • https://www.w3schools.com/python/python_operators.asp
  • https://www.w3schools.com/python/ref_func_print.asp
5 0
3 years ago
Brief description email etiquette​
Solnce55 [7]

Answer: See explanation

Explanation:

Email etiquette is defined as the code of conduct which helps to guide the behavior when people send or respond to emails. Some of ail etiquette include:

• Using proper and correct grammar and punctuations.

• Replying quickly too emails.

• Including a clear and direct subject.

• Proofreading of messages.

• Cautious with humour.

• Sending of smaller files and compressing large files.

7 0
3 years ago
explain the following joke: “There are 10 types of people in the world: those who understand binary and those who don’t.”
BigorU [14]

It means that there are people  who understand binary and those that do not understand it. That is, binary is said to be the way that computers are known to express numbers.

<h3>What is the joke about?</h3>

This is known to be a popular  joke that is often  used by people who are known to be great savvy in the field of mathematics.

The joke is known to be one that makes the point that a person is implying that the phrase is about those who only understands the decimal system, and thus relies on numbers in groups of 10.

The binary system is one that relies on numbers that are known to be  in groups of 2.

Therefore, If the speaker of the above phrase is one who is able to understand binary, that person  would  be able to say that that the phrase  is correctly written as  "there are 2 types of people that understand binary".

Learn more about binary from

brainly.com/question/21475482

#SPJ1

8 0
2 years ago
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