How do I add a ButtonGroup in Netbeans?

Posted on by Muna Meyer

How do I add a ButtonGroup in Netbeans?

  1. Drag a ButtonGroup from the palette and drop it on your GUI.
  2. Right-click on it and Change variable name to something meaningful.
  3. Now select a radio button in your GUI.
  4. In the Properties panel look for the buttonGroup property.
  5. Click the combo box next to it and select your button group.

How do I add a ButtonGroup in Java?

Steps to Group the radio buttons together.

  1. Create a ButtonGroup instance by using “ButtonGroup()” Method. ButtonGroup G = new ButtonGroup()
  2. Now add buttons in a Group “G”, with the help of “add()” Method. Example: G. add(Button1); G. add(Button2);

What is ButtonGroup?

The ButtonGroup component manages the selected/unselected state for a set of buttons. For the group, the ButtonGroup instance guarantees that only one button can be selected at a time. Initially, all buttons managed by a ButtonGroup instance are unselected.

How do you value JRadioButton?

When we click on the radio button, the actionPerformed() method is called. Use ButtonGroup. getSelection(). getActionCommand() to get the value selected by the user.

How do I add a ButtonGroup?

Add ButtonGroup to JPanel JPanel jPanel = new JPanel(); ButtonGroup group = new ButtonGroup(); btn1 = new JRadioButton(“btn1 “);btn1. setSelected(true); btn2 = new JRadioButton(“btn2 “); group. add(btn1 ); group. add(btn2 ); jPanel.

What is JOptionPane in Java?

The JOptionPane class is used to provide standard dialog boxes such as message dialog box, confirm dialog box and input dialog box. These dialog boxes are used to display information or get input from the user.

What is the use of ButtonGroup class object?

This class is used to create a multiple-exclusion scope for a set of buttons. Creating a set of buttons with the same ButtonGroup object means that turning “on” one of those buttons turns off all other buttons in the group. A ButtonGroup can be used with any set of objects that inherit from AbstractButton .

What can you add to a ButtonGroup?

The ButtonGroup class creates a group in which you can add radio buttons. Of course, only one radio button in a button group can be selected at any time….Java For Dummies Quick Reference by.

Constructor Description
ButtonGroup() Creates an empty button group

What is Buttonmodel in Java?

This model is used for regular buttons, as well as check boxes and radio buttons, which are special kinds of buttons. In simple terms, pressing and releasing the mouse over a regular button triggers the button and causes and ActionEvent to be fired.

How do you get selected JRadioButton?

Get selected JRadioButton from ButtonGroup

  1. Create a class that extends JFrame and implements ActionListener .
  2. Create some JRadioButtons using JRadioButton constructor, with the button’s title as an argument.
  3. Use setActionCommand to set a command for that button and setSelected to set the by default selected button.

What is a button group in Java?

Typically a button group contains instances of JRadioButton, JRadioButtonMenuItem, or JToggleButton. It would not make sense to put an instance of JButton or JMenuItem in a button group because JButton and JMenuItem do not implement the select/deselect button state.

What is the use of buttongroup in JDK?

See JDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases. The ButtonGroup component manages the selected/unselected state for a set of buttons. For the group, the ButtonGroup instance guarantees that only one button can be selected at a time.

How do I Group radiobuttons in a jpanel?

Call the add method on that buttongroup object in order to add each button to the group. For details and a code example, see How to Use Radio Buttons. It shows how to use a ButtonGroup component to group a set of RadioButtons set into a JPanel.

How to get which item is selected from a group of buttons?

ButtonGroup group = new ButtonGroup (); group.add (birdButton); group.add (catButton); As far as getting which item is selected, you basically need to iterate through the items in the group calling isSelected. Show activity on this post.