This class represents a GUI checkbox with a textual label. The Checkbox maintains a boolean state--whether it is checked or not. The checkbox may optionally be part of a CheckboxGroup which enforces "radio button" behavior.
public class Checkbox extends Component implements ItemSelectable { // Public Constructors public Checkbox(); public Checkbox(String label); 1.1 public Checkbox(String label, boolean state); 1.1 public Checkbox(String label, boolean state, CheckboxGroup group); public Checkbox(String label, CheckboxGroup group, boolean state); // Public Instance Methods 1.1 public synchronized void addItemListener(ItemListener l); // From ItemSelectable public void addNotify(); // Overrides Component public CheckboxGroup getCheckboxGroup(); public String getLabel(); 1.1 public Object[] getSelectedObjects(); // From ItemSelectable public boolean getState(); 1.1 public synchronized void removeItemListener(ItemListener l); // From ItemSelectable public void setCheckboxGroup(CheckboxGroup g); public synchronized void setLabel(String label); public void setState(boolean state); // Protected Instance Methods protected String paramString(); // Overrides Component 1.1 protected void processEvent(AWTEvent e); // Overrides Component 1.1 protected void processItemEvent(ItemEvent e); }
Object->Component(ImageObserver, MenuContainer, Serializable)->Checkbox(ItemSelectable)
CheckboxGroup.setCurrent(), CheckboxGroup.setSelectedCheckbox(), Toolkit.createCheckbox()
CheckboxGroup.getCurrent(), CheckboxGroup.getSelectedCheckbox()