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Mariulka [41]
4 years ago
5

Write a statement that declares a PrintWriter reference variable named output and initializes it to a reference to a newly creat

ed PrintWriter object associated with a file named "output.txt".
Computers and Technology
1 answer:
dusya [7]4 years ago
5 0

Answer:

PrintWriter variable = new PrintWriter("output.txt");

Explanation:

There are two ways of declaring a reference variable in programming.

One way is

Reference Variable-name = new Reference ("some texts here");

While the other is

Reference Variable-name;

Variable-name = new Reference ("some texts here");

Both ways are valid ways of reference variable declaration.

In the question above, the reference is PrintWriter, it points to output.txt and the question says "write a single statement";

Hence, we make use of

PrintWriter variable = new PrintWriter("output.txt");

A reference variable is declared to be of a specific type and that type can never be changed.

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If a disk drive has 8 surfaces and there are 1024 tracks per surface with 256 sectors per track and 512 bytes/sector. What is th
Elza [17]

Answer:

The capacity of the drive in Gigabytes equals 1.0737 Gbs

Explanation:

Given there are 1024 tracks per surface.

Number of surfaces = 8

Hence number of tracks in 8 surfaces equals 1024\times 8=8192 tracks

Now it is given that there are 256 sectors per track thus the number of sectors in 8192 tracks equals 8192\times 256=2097152 sectors

Now it is given that there are 512 bytes per sector thus the number of bytes in 2097152  equals 2097152\times 512=1073741824 bytes

Converting to gigabytes the capacity of the drive in gigabytes equals 1.0737Gbs

5 0
3 years ago
Programmers say the data items are ____ only within the module in which they are declared.
Oksanka [162]
Data items are "local".

Consider the following example in C++.


class MyClass
{
public:
    void setX(int x)
    {
        this->x = x;
    }

private:
    int x;
};


We have an integer variable local to the scope of the class declaration, and we have another integer variable local to our setX() function, though we have no global functions, that's something you want to try to avoid as a general rule of thumb.
6 0
4 years ago
What is output when the CarTest application is run? Why?
erik [133]

Answer:

red

Explanation:

public class CarTest {

public static void main(String[] argvs) {

//below line will create an object of CarTest class Object

CarTest carTest = new CarTest();

//This will call runDemo method

carTest.runDemo();

}

public void runDemo() {

//Below line will create an object of Car class  with color blue and 4 wheel

Car c = new Car("blue", 4);

//Bellow Line will change the color from blue to red, see the logic writteen in chnageColor method definition

changeColor(c, "red");

//Below line will print the color as red

System.out.println(c.getColor());

}

public void changeColor(Car car, String newColor) {

//This line will set the color as passed color in the car object

car.setColor(newColor);

}

}

5 0
4 years ago
What is the recommended solution to configure this automated behavior? UC has a requirement that an opportunity should have a fi
Dmitry_Shevchenko [17]
The answer will need to be workflow.
8 0
4 years ago
Describe at least two ways social media has impacted cybersecurity.
dybincka [34]

Answer:

Its Providing Too Much Personal Information since you will be using social media to promote your own small business, you need to take extra precautions. For starters, don’t leave a trail of breadcrumbs for social media hackers. Whether you are representing yourself or your company, avoid sharing stuff like your date of birth, places where you have attended school, as well as names and pictures of your family members.

Disgruntled Employees

While it’s fairly normal for your employees to vent about working for your company, in doing so, they may inadvertently reveal more than they should. It’s a lot more common than you think, since 98% of all employees are using at least one social media platform, and as much as 50% of those are talking about their respective companies. Whether they are sharing sensitive info or posting pictures from their workplace, they may end up sharing something that might hurt your business.

Explanation:

7 0
3 years ago
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