How to handle ItemListener in Dynamic JCheckBoxs

In my code i create dynamic JCheckBoxes and add ItemListener to every JCheckBox. I want to triger different actions by selecting JCheckBoxes.
here is my code....
String names[] ={"AAAA","BBBB","CCCC","DDDD"};
JCheckBox cb[]=new JCheckBox[names.length];
for( int j=0;j<names.length;j++) {
cb[j] = new JCheckBox(names[j]);
cb[j].addItemListener(this);
this.add(cb[j]);
in my item stateChanged method,...
public void itemStateChanged(ItemEvent e) {
Object x=e.getItemSelectable();
if (x == cb1) {
System.out.println("AAA is selected");
if (x == cb2) {
System.out.println("BBB is selected");
....like wise.
but here (x==cb1) gives an error
Is there any way to specify the exact JCheckBox which was selected?
pls help

you only said you get an error, but how can we help if you did not show the error you are getting? Please make sure you post your error or your code even; so that we can figure out what the problem is.

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