private void submitAction() {

		if (this.findRadioButton.isSelected()) {
			System.out.println("Find :\t" + StringDemo.find(this.mainTextField.getText(), this.searchTextField.getText()));
		} else if (this.replaceRadioButton.isSelected()) {
			System.out.println("Replace :\t" + StringDemo.replace(this.mainTextField.getText(), this.searchTextField.getText(), this.replaceTextField.getText()));
		} else if (this.equalsRadioButton.isSelected()) {
			System.out.println("Equals :\t" + StringDemo.equals(this.mainTextField.getText(), this.searchTextField.getText()));
		} else if (this.compareRadioButton.isSelected()) {
			System.out.println("Compare :\t" + StringDemo.compare(this.mainTextField.getText(), this.searchTextField.getText()));
		} else {
			System.out.println("Error !!! No option selected");
		}

	}