Question

I have a number of checkboxes in my Swing Project. For each checkbox select/deselect a particular query is to be executed. I know one way of getting the source of checkbox is

public void itemStateChanged(ItemEvent e)  {
if(e.getSource=="checkbox object")
{ 
some code goes here; 
}
}

If i have small number of checkboxes than this solution is best but if i have many checkboxes then i have to write lengthy code. Is there a way to find the object of checkbox that causes the event in a single command?

Answer 1

You can get selected checkbox by like this

JCheckBox checkBox1 = new JCheckBox("Check1");
 JCheckBox checkBox2 = new JCheckBox("Check2");
 checkBox1.setName("Check1");
 checkBox2.setName("Check2");
 ItemListener listener = new ItemListener() {
    @Override
    public void itemStateChanged(ItemEvent e) {
        JCheckBox check = (JCheckBox)e.getSource();
         String name = check.getName();
         System.out.println(name);
    }
};
checkBox1.addItemListener(listener);
checkBox2.addItemListener(listener);