Programming Articles - Page 1948 of 3366

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

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.Setting mnemonicA mnemonic is a number or character, in the menu title of User interface component (button, text field, etc.) typically with an underscore. If you press this character along with the Alt key the respective menu item will be focused.To create a mnemonic −Create any node by instantiating its respective class.Create a label to associate the ... Read More

In JavaFX, you can create a label by instantiating the javafx.scene.control.Label class. This class provides a method named labelFor(). Using this method, you can set the current label as a label for another control node.This method comes handy while setting, mnemonics, and accelerator parsing.ExampleIn the following JavaFX example, we have created a label, a text field, and a button. Using the labelFor() method we have associated the label (Text) with a text field, enabling the mnemonic parsing (T). Therefore, on the output window, if you press Alt + t, the text field will be focused.import javafx.application.Application; import javafx.geometry.Insets; import javafx.scene.Scene; ... Read More