Its simple component to set confirmation dialog with single line of code from java without any extra complexity. //with default message text and button labels ConfirmDialog.show(okEvent->{ //ok event operation System.out.println("ok event operation"); }); //custom confirmation message and default button labels ConfirmDialog.show("Are you sure?",okEvent->{ //ok event operation System.out.println("ok event operation"); }); //custom confirmation message, custom button labels ConfirmDialog.show("Are you sure?","CustomOK","CustomCancel",okEvent->{ //ok event operation System.out.println("ok event operation"); });