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blagie [28]
3 years ago
8

How can multiple items be selected at the same time in aJList?

Computers and Technology
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

JList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION)

Explanation:

JList provides for simultaneous selection of multiple items upon setting the selection mode to MULTIPLE_INTERVAL_SELECTION. The API call for this purpose is:

jlist.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION)

Once the selection mode has been set , we can select set of items in the list as follows:

jlist.setSelectedIndices({1,3,5});

This will select the items with indices 1,3,5 in the list.

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Which technology can allow a single ground-based telescope to achieve images as sharp as those from the Hubble Space Telescope?
Ganezh [65]

Answer:

The correct answer to the following question will be "Adaptive Optics".

Explanation:

  • AO (Adaptive Optics) is a technique used to enhance optical system performance by reducing the impact of incoming gravitational wave distortions by compressing a mirror to compensate for the distortion.
  • It operates by calculating and compensating for defects in a wave-front with a system that corrects these errors as a deformable mirror or even a liquid crystal collection.
  • It is a technique that can make it possible for a single ground-based telescope to get images as clear as that of the Hubble Space Telescope.
  • Certain methods can achieve power resolution that exceeds the limit set by atmospheric distortion, for example, Aperture synthesis, Lucky imaging, and Speckle imaging.

Therefore, Adaptive Optics is the right answer.

7 0
4 years ago
// This pseudocode segment is intended to compute the number
Harlamova29_29 [7]

DEBUG01-01

//This pseudocode is intended to describe

//computing the price of an item on sale for 10% off

START

  input origPrice

  discount = origPrice * 0.10

  finalPrice = origPrice - discount

  output finalPrice

STOP

DEBUG01-02

//This pseudocode is intended to compute the number

//of miles per gallon you get with your automobile.

START

  input milesTraveled

  input gallonsOfGasUsed

  milesPerGallon = milesTraveled / gallonsOfGasUsed

     //milesPerGallon is computed using division

  output milesPerGallon

     //miles is misspelled, and the P in milesPerGallon should be uppercase

STOP

  //Program should end with stop

DEBUG01-03

//This pseudocode is intended to describe

//computing the per day cost of your rent

//in a 30-day month

START

  input rent

  costPerDay = rent / 30

     // Comment indicates 30-day month

  output costPerDay

     // output should be costPerDay

STOP

<h3>What is an algorithm?</h3>

An algorithm can be defined as a standard formula which comprises a set of finite steps and instructions that must be executed by a software program, in order to proffer solutions to a problem on a computer, under appropriate conditions.

         

<h3>What is a pseudocode?</h3>

A pseudocode can be defined as a description of the steps that are contained in an algorithm, especially through the use of a plain (natural) language.

<u>Note:</u> The indentation may change due to Brainly's text editor.

Read more on pseudocode here: brainly.com/question/13208346

#SPJ1

<u>Complete Question:</u>

Your downloadable files for Chapter 1 include DEBUG01-01.txt, DEBUG01-02.txt, and DEBUG01-03.txt. Each file starts with some comments (lines that begin with two slashes) that describe the program. Examine the pseudocode that follows the introductory comments, then find and correct all the bugs.

4 0
2 years ago
1| def saveUserProfile(firstName, lastName, age, height, country):
Feliz [49]

Answer:

Joyner

David

USA

1.8

30

Explanation:

def saveUserProfile(firstName, lastName, age, height, country):

This is the definition of function named saveUserProfile which accepts the following parameters:

  • firstName
  • lastName
  • age
  • height
  • country

filename = lastName + firstName + ".txt"

When the file is created it will be named as the lastName and firstName string combined with .txt as extension. For example if the lastName contains the name string Joyner and firstName contains the name David then the file created to be written is named as JoynerDavid.txt

outputFile = open(filename, "w")

This statement uses open() method in write mode and uses outputFile object to access the file. "w" represents write mode i.e. file is opened in write mode to write on it.

a) Joyner is written on line 1 of that file because of the following statement of above function:

print(lastName, file = outputFile)

This statement prints the string stored in lastName i.e. Joyner. Here outputFile opens the file in "w" write mode and writes the last name to the first line of the file.

b) David is written on line 2 of that file because of the following statement of above function:

print(firstName, file = outputFile)

This statement prints the string stored in firstName i.e. David. Here outputFile opens the file in "w" write mode and writes the first name to the second line of the file.

c) USA is written on line 3 of that file because of the following statement of above function:

print(country, file = outputFile)

This statement prints the data stored in country i.e. USA. Here outputFile opens the file in "w" write mode and writes the country name to the third line of the file.  

d) 1.8 is written on line 4 of that file because of the following statement of above function:

print(height, file = outputFile)

This statement prints the value stored in height i.e. 1.8. Here outputFile opens the file in "w" write mode and writes the height value to the fourth line of the file.  

e) 30 is written on line 5 of that file because of the following statement of above function:

print(age, file = outputFile)

This statement prints the value stored in age parameter of function saveUserProfile i.e. 30. Here outputFile opens the file in "w" write mode and writes the age value to the fifth line of the file.  

7 0
3 years ago
What does coding mean​
NeTakaya
The process or activity of writing computer programs.
3 0
3 years ago
Read 2 more answers
Help me please. i need you help​
Fudgin [204]

Answer:

Can you provide the code

7 0
3 years ago
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