No, you won't get back all the tax that you paid. If you get a refund or have to pay more all depends on if enough has been withheld from your wages or if too much or too little was withheld.
The rules changed for withholding from 1 January 2017, here is more information: https://www.ato.gov.au/Individuals/...s/Coming-to-Australia/Working-holiday-makers/
Also you are able to apply to get your super once you have left Australia and your visa has been cancelled, if you are not planning to come back.
The rules changed for withholding from 1 January 2017, here is more information: https://www.ato.gov.au/Individuals/...s/Coming-to-Australia/Working-holiday-makers/
Also you are able to apply to get your super once you have left Australia and your visa has been cancelled, if you are not planning to come back.