public class Callback{
private callbackListener callbackListener;
public static void main(String[] args)
{
Callback callback = new Callback();
callback.setCallbackListener(new callbackListener()
{
@Override
public void call()
{
System.out.println("call");
}
});
callback.show();
}
public void show(){
getCallbackListener().call();
}
public callbackListener getCallbackListener()
{
return callbackListener;
}
public void setCallbackListener(callbackListener callbackListener)
{
this.callbackListener = callbackListener;
};
}
interface callbackListener{
void call();
}