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/* Set Selected Radio Button Example This java example shows how to set a radio button selected using Java AWT CheckboxGroup class. */ import java.applet.Applet; import java.awt.Checkbox; import java.awt.CheckboxGroup; /* <applet code="SetSelectedRadioButtonExample" width=200 height=200> </applet> */ public class SetSelectedRadioButtonExample extends Applet{ CheckboxGroup lngGrp = null; public void init(){ //create group lngGrp = new CheckboxGroup(); //create checkboxes and add to group Checkbox java = new Checkbox("Java", lngGrp, false); Checkbox cpp = new Checkbox("C++", lngGrp, false); Checkbox vb = new Checkbox("VB", lngGrp, false); //add radio buttons add(java); add(cpp); add(vb); /* * To set a radio button selected by default, use * void setSelectedCheckbox(Checkbox chk) * method of Java AWT CheckboxGroup class. */ lngGrp.setSelectedCheckbox(cpp); } } |
Example Output
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