This is a Java program that demonstrates the use of Radio Buttons in AWT (Abstract Window Toolkit) for creating a simple GUI application. The program creates a window using the Frame class and sets its size and layout.

Jun 8, 2022 · We use the JRadioButton class to create a radio button. Radio button is use to select one option from multiple options. It is used in filling forms, online objective papers and quiz. We add radio buttons in a ButtonGroup so that we can select only one radio button at a time.

Following methods are used to make a radio button. Determines which radiobox in group is currently selected. Used to set radiobox. Radio buttons are supported by the JRadioButton class, which is concrete implementation of AbstractButton. Creates an initially unselected radio button without any text.

Mar 17, 2025 · The JRadioButton class is used to create a radio button. It is used to choose one option from multiple options. It is widely used in exam systems or quiz. It should be added in ButtonGroup to select one radio button only. JRadioButton class declaration. Let's see the declaration for javax.swing.JRadioButton class.

The above code will be stored in the file called RadioButtonTest.java, which on compilation will crate a class file called RadioButton.class. Now compiple this file using below commands in the DOS mode:

Nov 13, 2016 · I want to change the background of the frame based on the selected radio button. This has to be done using AWT. The current code just change the color to Blue. When clicked on Green, nothing is changed.

Create AWT Radio Buttons Using CheckboxGroup; How To Get Selected AWT Radio Button; getSelectedCheckbox() In CheckboxGroup; setSelectedCheckbox(Checkbox box) In CheckboxGroup

Sep 23, 2024 · How to create Radio Button in AWT: In AWT we can create a component that behaves like a Radio Button by using Checkbox. For this we use CheckboxGroup, so that only one Checkbox from a group can be selected.

Mar 6, 2013 · This program has 2 radio buttons. 1: for a circle and 2: for outputting a square. This program is basically designed to either output a cirlce or square based off a radio button group. My issue is that I don't know how to implement an action listener onto the buttons in-order to output the shape.

Oct 15, 2019 · 1) Design a applet/application to demonstrate the use of Radio Button and Checkbox. Ans: import java.awt.*; import java.util.*; public class RadioDemo { public static void main( String args[] ) { Frame f = new Frame(); f.setVisible(true); f.setSize(400,400); f.setLayout(new FlowLayout()); Label l1 = new Label("Select Subjects:"); Checkbox cb1 ...