Programming Articles - Page 1947 of 3363

A choice box holds a small set of multiple choices and, allows you to select only one of them. This will have two states showing and not showing. When showing, you can see the list of choices in a choice box and while not showing, it displays the current choice. By default, no option is selected in a choice box.In JavaFX a choice box is represented by the class javafx.scene.control.ChoiceBox. You can create a choice box by instantiating this class.This class has a property named items, it is of the type ObservableList and it holds the list of choices to ... Read More

The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line.Similar to the text field a password field accepts text but instead of displaying the given text, it hides the typed characters by displaying an echo string.In JavaFX the javafx.scene.control.PasswordField represents a password field and it inherits the Text class. To create a password field you need to instantiate this class.This class inherits a property named text from its superclass TextInputControl. This property holds the contents of the current password field. You can retrieve this data using the getText() method.Exampleimport javafx.application.Application; import ... Read More

The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line. In JavaFX the javafx.scene.control.TextField class represents the text field, this class inherits the javafx.scene.control.TextInputControl (base class of all the text controls) class. Using this you can accept input from the user and read it to your application.Similar to text field a password field accepts text but instead of displaying the given text, it hides the typed characters by displaying an echo string.In JavaFX the javafx.scene.control.PasswordField represents a password field and it inherits the Text class. To create a password field you ... Read More

The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line. In JavaFX the javafx.scene.control.TextField class represents the text field, this class inherits the javafx.scene.control.TextInputControl (base class of all the text controls) class. Using this you can accept input from the user and read it to your application.To create a text field you need to instantiate this class, to the constructor of this class. It inherits a property named text from its superclass TextInputControl. This property holds the contents of the current text field. You can retrieve this data using the getText() ... Read More

You can display a text element/image on the User Interface using the Label component. It is a not editable text control, mostly used to specify the purpose of other nodes in the application.In JavaFX, you can create a label by instantiating the javafx.scene.control.Label class. To create a label, you need to instantiate this class.Once you have created a label, you can set the maximum width and height of it using the setMaxWidth() and setMaxHeight() methods respectively.Once you set the maximum with of a label the contents of it exceeding the specified the width will be chopped off.To avoid this you ... Read More

You can display a text element/image on the User Interface using the Label component. It is a not editable text control, mostly used to specify the purpose of other nodes in the application.In JavaFX you can create a label by instantiating the javafx.scene.control.Label class. To create a label, you need to instantiate this classYou can use a graphic object as a label using the setGraphic() method of the Label class (inherited from javafx.scene.control.Labeled class). This method accepts an object of the Node class representing a graphic (icon).Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.paint.Color; ... Read More

In this post we need to enter the string at the beginning of all items in a list. For ex: We're given string = "Tutorials_Point" and List contains multiple element such as "1", "2" etc. So in this we need to add Tutorials_Point in front of "1", "2" and so on.ExampleAproach 1 Live Demosample_list = [1, 2, 3] print(['Tutorials_Point{0}'.format(i) for i in sample_list])Output//['Tutorials_Point1', 'Tutorials_Point2', 'Tutorials_Point3']Approach 2 Live Demosample_list = [1, 2, 3] sample_str = 'Tutorials_Point' sample_str += '{0}' sample_list = ((map(sample_str.format, sample_list))) print(sample_list)Output//['Tutorials_Point1', 'Tutorials_Point2', 'Tutorials_Point3']Read More

Python int() function converts the specified value into an integer number.The int() function will returns an integer object constructed from a number or string let say x, or return 0 if no argum ents are specified.Syntaxint(value, base) int(x, base=10)value = A number or a string that can be converted into an integer numberbase = A number representing the number format. Default value − 10Example# int() for integers int(10) 10 int(20) 20 # int() for floating point numbers int(11.2) 11 int(9.9e5) 990000

A list also the extend() method, which appends items from the list you pass as an argument. extend() − Python list method extend() appends the contents of seq to list. You can read more about it here "https://www.tutorialspoint.com/python/list_append.htm"Now let us see hands onExample Live Demo#append first_list = [1, 2, 3, 4, 5] second_list = [6, 7, 8, 9, 10] first_list.append(second_list) # print result using append print("The list pattern using append is : " + str(first_list)) #extend third_list_ = [11, 12, 13, 14, 15] fourth_list = [16, 17, 18, 19, 20] third_list_.extend(fourth_list) print("The list pattern using extend is : " + str(third_list_))OutputThe ... Read More

In this we are going to use List Comprehension with enumerate() Python provides compact syntax for deriving one list from another. These expressions are called list comprehensions.List comprehensions are one of the most powerful tools in Python. Python’s list comprehension is an example of the language’s support for functional programming concepts. You can read more about it here "www.tutorialspoint.com/python-list-comprehension" The enumerate() method adds counter to the iterable. You can read more about enumerate here " www.tutorialspoint.com/enumerate-in-python"Example Live Demo# declare list of integers my_list = [1, 2, 3] # printing the value print("Printing my_list list : " + str(my_list)) response = [value ... Read More