Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
Swing Articles
Found 109 articles
How can we change the background and foreground color of a JTooltip in Java?
In this article, we will learn to change the background and foreground color of a JTooltip. We will be using UIManager.put(), we customize the tooltip for a JLabel by setting a white background and green text, which will improve the appearance of the default tooltip. What is a JToolTip? A JToolTip is a subclass of the JComponent class, and we can create a tooltip for any Java component by using the setToolTipText() method. It can be used to set up a tooltip for the component. The important methods of a JToolTip class are getAccessibleContext(), getComponent(), paramString(), and updateUI(). How to ...
Read MoreHow can we implement a rounded JTextField in Java?
In this article, we will learn to implement a rounded JTextField in Java. The JtextField is rectangular in shape, and to create a custom JTextField with rounded corners, we will use the RoundRectangle2D class and with the help of fillRoundRect() and drawRoundRect() methods in Java Swing. What is a JTextField? A JTextField is a subclass of the JTextComponent class, and it is one of the most important components that allows the user to an input text value in a single-line format. Below is the graphical representation of a JTextField: A JTextField class will generate an ActionListener interface when we ...
Read MoreHow can we show/hide the echo character of a JPasswordField in Java?\\n
In this article, we will learn to show/hide the echo character of a JPasswordField in Java. The password in this will be hidden with *. And we will be using the setEchoChar() method to toggle between hidden and visible text in a Swing based application. What is a JPasswordField? A JPasswordField is a subclass of JTextField, and each character entered in a JPasswordField can be replaced by an echo character. This allows confidential input for passwords. By default, the echo character is the asterisk(*). The important methods of JPasswordField are get password(), getText(), getAccessibleContext() and etc. What is the echo ...
Read MoreHow can we catch a double click and enter key events for a JList in Java?\\n
In this article, we will learn to catch a double click and enter key events for a JList in Java. We will be using Java Swing to detect double click and Enter key events on a JList. When we double click an item in the list or press "Enter" key after selecting an item, the selected item is displayed. What is a JList? A JList can extend the JComponent class, which allows us to choose either a single or multiple selections. A JList can generate a ListSelectionListener interface, and it includes one abstract method, valueChanged(). Below is the graphical representation ...
Read MoreHow can we implement the paintComponent() method of a JPanel in Java?\\n
In this article, we will learn to implement the paintComponent() method of a JPanel in Java. In Swing, custom rendering of components is achieved by overriding the paintComponent() method. What is a JPanel? A JPanel is a lightweight container and it is an invisible component in Java. A JPanel's default layout is FlowLayout. After the JPanel has been created, other components can be added to the JPanel object by calling its add() method inherited from the Container class. What is a paintComponent() Method? The paintComponent() method is needed to draw something on a JPanel other than drawing the background color. This ...
Read MoreHow can we implement a splash screen using JWindow in Java?\\n
JWindow is a Swing component that is used to create a splash screen easily as splash screen as it displays a screen without a title bar or window management buttons. In this article, we will learn to implement a splash screen using JWindow in Java. What is a JWindow? A JWindow is a container that can be displayed anywhere on the user's desktop. It does not have the title bar, window management buttons, etc, like a JFrame. The JWindow contains a JRootPane as its only child class. The contentPane can be the parent of any children of the JWindow. Like a ...
Read MoreHow can we highlight the selected tab of a JTabbedPane in Java?
In this article, we will learn to highlight the selected tab of a JTabbedPane in Java. JTabbedPane is a common Swing component that is used to organize content into multiple tabs, while highlighting a selected tab will improve the GUI and make the interface interactive. What is a JTabbedPane? A JTabbedPane is a subclass of the JComponent class, and it can provide easy access to more than one panel. Each tab is associated with a single component that can be displayed when the tab is selected. A JTabbedPane can generate a ChangeListener interface when a tab is selected. What do ...
Read MoreHow can we show a popup menu when the user right-clicks on a JComboBox in Java?
A JComboBox is a Swing component that has a built-in left-click menu. In this article, we will learn how to show a popup menu when the user right-clicks on a JComboBox in Java. What is a JComboBox? A JComboBox is a subclass of the JComponent class that displays a drop-down list and gives users options that they can select only one item at a time. A JComboBox can be editable or read-only. The getSelectedItem() Method A getSelectedItem() method can be used to get the selected or entered item from a combo box. What is a Popup Menu? A popup menu is ...
Read MoreHow to set the shortcut key to a JCheckBox in Java?
In this article, we will learn to set the shortcut key to a JCheckBox in Java. To create a JCheckBox with a keyboard shortcut (Alt + C), we will use Java Swing. When we either click the checkbox with the mouse or press Alt+C, the checkbox toggles, and a message dialog is displayed. We can do this by using the setMnemonic('C') method to assign the shortcut key and an ActionListener to respond to the checkbox selection. What is a JCheckBox? A JCheckBox is a subclass of JToggleButton, and it can be a small box that is either checked or unchecked. When ...
Read MoreHow can we limit the number of characters inside a JTextField in Java?
In this article, we will learn how to limit the number of characters inside a JTextField in Java. Whether you're creating a form for phone numbers, zip codes, or usernames, controlling the maximum number of characters is important for data validation. JTextField A JTextField is one of the most important Swing components that allows the user to an input text value in a single line format. We can restrict the number of characters that the user can enter into a JTextField can be achieved by using the PlainDocument class. PlainDocument Class PlainDocument is a subclass that extends the AbstractDocument, a ...
Read More