All categories

3 years ago

Given the following classes and their objects:

Computers and Technology

1 answer:

Andrej [43]3 years ago

3 0

Answer:

The answer is "Option b"

Explanation:

In the given code three-class C1, C2, and C3 are declared, in which C2 and C3 extend the class C1. In the next line, C2 and C3 object are created, that is c2 and c3. and in the last line c2 class object holds two-class C2, C1, and one object c3 value, this code will give runtime error because it can't cast object from sibling class, and wrong choices can be defined as follows:

In option a, It is not correct because it can't cast c3 object into c2 object.
In option c, It is not correct because it performs multiple casting in nested forms.
In option d, It is wrong because the statement is not correct.

You might be interested in

Sites like Zillow get input about house prices from a database and provide nice summaries for readers. Write a program with two

qaws [65]

Answer:

Se explaination

Explanation:

/Declaring variables

integer currentPrice

integer lastMonthPrice

integer changeLastMonth

float mortagage

//Reading input

currentPrice = Get next input

lastMonthPrice = Get next input

//Calculating price change

changeLastMonth = currentPrice - lastMonthPrice

//Calculating mortagage

mortagage = (currentPrice * 0.051) / 12

//Printing output

Put "This house is $" to output

Put currentPrice to output

Put "\nThe change is $" to output

Put changeLastMonth to output

Put " since last month." to output

Put "\nThe estimated monthly mortgage is $" to output

Put mortagage to output

3 0

2 years ago

What is the purpose of using variables in programming?

Sedbober [7]

Variables are used to store information to be referenced and manipulated in a computer program. ... It is helpful to think of variables as containers that hold information. Their sole purpose is to label and store data in memory. This data can then be used throughout your program.

6 0

2 years ago

Your team at amazon is overseeing the design of a new high-efficiency data center at hq2. a power grid need to be generated for

elixir [45]

Answer:

void print2(int row) {

for (int i = 0; i < row; i++) {

char ch = 'a';

char print = ch;

for (int j = 0; j <= i; j++) {

cout << print++;

}

cout << endl;

}

int count_digits(int num) {

int count = 0;

int temp = num;

while (temp != 0) {

temp = temp / 10;

count++;

}

return (num % count);

}

Explanation:

3 0

1 year ago

What are the characteristics of the Global Address List? Check all that apply.

nignag [31]

Answer:

It is the very last statement (bottom). Also copied to the the client

Explanation:

3 0

2 years ago

In addition to MLA, what are some other widely used style guides? Check all that apply.

STALIN [3.7K]

Answer:

In addition to MLA, American psychological association, Associated Press and Chicago manual of style are widely using referencing techniques,

Explanation:

American Psychological Association(APA)

APA is the largest organization of scholars, they have their own referencing style guidelines that is used by these scholars.

Associated Press

It is also an american based agency that have their own referencing style for citation of research work named as Associated press.

Chicago Manual of Style

It is also an american referencing style used for reference.

8 0

2 years ago