What appears in the circle of radio button which is selected?
A radio button should be a small circle that has a solid circle inside it when selected. Visually present groups of choices as groups, and clearly separate them from other groups on the same page. A list of radio buttons, however, must always appear unified, so you cannot use subheads to break it up.
What is a radio button explain with the help of an example?
A radio button or option button is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. For example, for a radio button group named Sex with the options Male and Female, the variable Sex would not be passed, even with a blank value.
What is a radio button in Java?
Radio buttons are groups of buttons in which, by convention, only one button at a time can be selected. The Swing release supports radio buttons with the JRadioButton and ButtonGroup classes. For example, you can specify the image displayed in a radio button.
How do you check if radio button is checked or not in Java?
Or simply isChecked() can also be used to check the state of your RadioButton. And then based on the flag you can execute your function. radioButton. isChecked() function returns true if the Radion button is chosen, false otherwise.
How do I make sure only one radio button is selected in Java?
We can select only one JRadioButton in a ButtonGroup. Steps to Group the radio buttons together. Create a ButtonGroup instance by using “ButtonGroup()” Method. Now add buttons in a Group “G”, with the help of “add()” Method.
Is selected in Java?
To check if a box is selected, use the isSelected() method. The JCheckBox and the JRadioButton are subclasses of JToggleButton. JCheckBox(String text, boolean selected) – creates a check box with text and specifies whether selected or not selected.
How do I select one radio button in Netbeans?
There are certain steps in the Netbeans IDE that we need to follow as explained below. Open the Netbeans IDE. Instead of the project name specify “JRdoBtn” and instead of main class also specify “JRdoBtn” and click on “Finish”. You can select any one of the Radio Buttons either male or female.
What is radio button in NetBeans?
Radio buttons are usually used to select just one item from a list, rather than the multiple items available with check boxes. Let’s see how they work. Drag and drop a panel onto your form. Then locate the Radio Button control in the NetBeans palette.
How do you represent a table in Java?
Guava’s Table is a collection that represents a table like structure containing rows, columns and the associated cell values. The row and the column act as an ordered pair of keys. The row and column act as an ordered pair of keys.
How fetch data from dropdown from database in CodeIgniter?
In codeigniter, to populate drop down list from database first create a function getCategory() in model file to fetch category id & name from the database and returns them as an associative array.