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djverab [1.8K]
3 years ago
12

Each TextField has a text property that's returned by its textProperty method as a StringProperty. The StringProperty method ___

_____ receives an ObservableValue as an argument. When the ObservableValue changes, the bound property is updated accordingly.
a. join
b. bind
c. attach
d. tie
Computers and Technology
1 answer:
masha68 [24]3 years ago
4 0

Answer:

B: Bind

Explanation:

JavaFX property binding permits the synchronization of the value of two properties in such a way that whenever there is a change in one of the properties, there is an immediate update on the value of the other property. In this way, The StringProperty method bind receives an ObservableValue as an argument. When the ObservableValue changes, the bound property is updated accordingly.

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Write a Java test program, named TestGuitar, to create 3different Guitars representing each representing a unique test case and
alina1380 [7]

Answer:

Explanation:

//Guitar.java

import java.awt.Color;

import java.lang.reflect.Field;

import java.util.Random;

public class Guitar

     /**

     * these two fields are used to generate random note and duration

     */

     static char[] validNotes = 'A', 'B', 'C', 'D', 'E', 'F', 'G' ;

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     /**

     * basic guitar attributes

     */

     private int numStrings;

     private double guitarLength;

     private String guitarManufacturer;

     private Color guitarColor;

     public Guitar()

           /**

           * default constructor

           */

           numStrings = 6;

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           guitarManufacturer = Gibson;

           guitarColor = Color.RED;

     

     public Guitar(int numStrings, double guitarLength,

                 String guitarManufacturer, Color guitarColor)

           /**

           * parameterized constructor

           */

           this.numStrings = numStrings;

           this.guitarLength = guitarLength;

           this.guitarManufacturer = guitarManufacturer;

           this.guitarColor = guitarColor;

     

     /**

     * required getters and setters

     */

     public static char[] getValidNotes()

           return validNotes;

     public static void setValidNotes(char[] validNotes)

           Guitar.validNotes = validNotes;      

     public static double[] getValidDuration()

           return validDuration;

     public

4 0
3 years ago
This function receives first_name and last_name, then prints a formatted string of "Name: last_name, first_name" if both names a
pishuonlain [190]

Answer:

Following are the program in the C++ Programming Language.

//set header file

#include <iostream>

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using namespace std;

//define class

class format

{

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public:

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//define function

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   {

     res="Name: "+last_name+", "+first_name;

   }

   else if(first_name.length()>0 and last_name.length()==0)

   {

     res="Name: "+first_name;

   }

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   {

     res="";

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//define function to print result

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};

//define main method

int main() {

//set objects of the class

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 ob2.out();

}

<u>Output</u>:

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Explanation:

<u>Following are the description of the program</u>:

  • Define class "format" and inside the class we define two void data type function.
  1. Define void data type function "names()" and pass two string data type arguments in its parameter "first_name" and "last_name" then, set the if-else conditional statement to check that if the variable 'first_name' is greater than 0 and 'last_name' is also greater than 0 then, the string "Name" and the following variables added to the variable "res". Then, set else if to check that if the variable 'first_name' is greater than 0 and 'last_name' is equal to 0 then, the string "Name" and the following variable "first_name" added to the variable "res".
  2. Define void data type function "out()" to print the results of the variable "res".
  • Finally, we define main method to pass values and call that functions.
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