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2 years ago

What is a Java constructor?

2 answers:

6 0

A Java constructor is special method that is called when an object is instantiated. In other words, when you use the new keyword. The constructor initializes the newly created object.

Alina [70]2 years ago

3 0

Answer:

Java constructor is a special method defined in a class whose name s the same as the class name

Explanation:

Java constructor is a special method defined in a class whose name is the same as the class name.

The constructor is called when the object is instantiated to initialize the fields in the object. Constructor can have no arguments or it can carry one or more arguments as per the class design. A default no argument constructor is made available for a class automatically even if one is not explicitly defined.

For example: MyClass c = new MyClass();

This will call the zero argument constructor of MyClass if it is defined or otherwise the default constructor for MyClass.

You might be interested in

What is aperture priority mode? When might you use this mode on a camera? What is depth of field? How can you adjust the depth o

raketka [301]

Answer:

Please check explanation

Explanation:

We abbreviate aperture priority by A or Av( which is used for aperture value) on the camera mode call up, which is an adjustment on some of the cameras which leverage the user to adjust the certain value of the aperture or the f-number as meanwhile the camera adjust the speed of the shutter ensuring it matches it, and which results in a good exposure depending on the condition of the light as being measured via the light meter. And this is not the same as the manual mode, in which the user is compelled to make the decision for both the values, the priority of the shutter, the location the user selects the shutter speed while the camera picks up the correct aperture, as well as the program state, where camera picks each of them.

So the first two questions are answered. Let's see the third, the depth of the field. It is the distance from the nearest to the furthest objects which provides an image being selected for being at the focus in a camera.

Hence the depth of the field means the range of the sharp focus in a certain photograph. And while you shoot with the help of the larger camera like the DSLR, you will be able to adjust the depth through the adjustment of the aperture of the lens. The aperture is nothing else but the opening within the lens which manages the amount of the light that is permitted via the lens.

Now come to the fifth question. The shutter speed and the aperture are being related directly. It improves the aperture (by a stop). And each of them comes up with the very best exposure through the permitted weight of light.

And both of them are related to each other in an inverse proportion. And both of them must be balanced for ensuring that the image is not being exposed or less exposed to the permitted light. And when the aperture is increased the shutter speed increased for balancing it as well as vice versa.

Landscape mode:

It is the kind of page orientation that prints out the picture in a horizontal manner rather than in a vertical manner. And it is being commonly used for printing the charts or various other types of pictures as well as the text which might not adjust properly with the page that is aligned vertically.

Consider the High Nikon DSLR. You need to hold down the "MODE" as meanwhile the rear control (dial) is turned unless you view "A" over the LCD top. And your FCD then sets the aperture. And in almost all Canon SLRs as an example: You need to turn to "Av" your mode dial.

The results of these adjustments are certainly good.

And the shutter speed is being measured by the unit of time and ranges in less than fractions of one second. And as we say that the shutter speed is "5000", it means its 1/30000 th of a minute. And the shutter speed which is of one second or more in length is being marked as a'. One example is 16'.

How we measure aperture. And what it means:

It is being measured with the help of the f-stop scale. And on the digital camera, you will find 'f/' which is being followed by an integer. And this f-number indicates the wideness of the aperture. As well as the size does affect the exposure as well as the field depth of the resultant image.

Now come to why we should learn to control the shutter speed and the aperture.

You should know that by selecting the shutter speed you permit yourself to freeze or otherwise blur motion, and sometimes you would like to do the first one or the second one. And the aperture permits you to select the field depth to either blur the background or make it sharper.

Thus, now you have an idea of each of the modes, and their merits. And if you will ask the best one, he will be up with the aperture priority or with auto ISO and full manual. If you are up with some specific requirements, then you should have a full manual mode in automatic mode, and that will be quite handy. You certainly need to learn by heart how to make use of the full manual, as it will improve your understanding of the photography, however, the semi-automatic mode is certainly your best friend.

And yes, as well as its a very great feeling. Its certainly quite hard to take the photographs of still objects while you are riding.

Some of the things that make it hard to take the action photographs are like the object, or the animal can move as well as you need to set the shutter speed as well as the aperture speed quite swiftly. Also, you need to focus your camera for ensuring a very good picture and ensure its not blurry or like the picture is out of the focus.

In night photography, the camera might shake because of the very low ambient brightness, the camera might move for very slow shutter speed. Various other challenges are the improper focus, white balances, less exposure, etc,

That solves all the questions asked.

3 0

2 years ago

Discuss the relationship amongst the following basic file elements: • Field. • Record. • File. • Database. • Directory.

Gwar [14]

Answer:

describe two events from the life of the prophet that illustrate the way he treated non muslims3+15-75+375.

Explanation:

53+15-75+3756,1803+15-75+375describe two events from the life of the prophet that illustrate the way he treated non muslims

4 0

1 year ago

Which type of navigation involves multiple frames that are linked to a number of other frames?

sesenic [268]

Answer:

1. b)

2. c)

3. c)

4. a)

5. b)

Explanation:

1. and 5. Linear kind of navigation is a system with a sequential manner web pages that are perfect for some sorts of sites that are having information that has to be viewed as a book (5) and when we are talking about that view we are considering one page after another page like we are reading a book. It is also the simplest navigation. This is the explanation for question 1 and question 5.

2. The most well-designed navigation system is an intuitive one because in this design of the website we have website traffic that is easy because it flows from one web page to another web page. It is showing us where to go to find and look for something and even where to go if there is no concrete options for what are we looking for.

3. A Sitemap is referring to the organized hierarchy of links and it is the protocol that is allowing us to search through many links. A Sitemap is having a listing of the URLs for some site and that is why this is the correct answer.

4. In using liner reciprocal navigation the interface should include how frames are left and how many of them are there. The more the frames, the more times the user will spend on them and the site.