How to make if statement that checks if all or just one text field is empty

How do I make an if statement which checks if all or just one text field is empty

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { 
    if(jTextField1.getText().equals("") && jTextField2.getText().equals("") && jTextField3.getText().equals("")){
            JOptionPane.showMessageDialog(null, " please fill empty fields", "Input Error",JOptionPane.ERROR_MESSAGE);
    }else{
    }
}