"The body of law dealing with the powers, rights, and obligations of the government and the governed. Public law is generally considered to be composed of constitutional, administrative, environmental, international, and criminal law. It also includes any statutory law that relates to the entire population of a state and that determines the responsibility of public officers towards the state, each other, and the public. It is contrasted with private law."
Encyclopaedic Australian Legal Dictionary (Lexis Advance)
Want to know where to find information in relation to public law? Check out the following sources:
An Interview with Michael Kirby: Interpretation and Use of Legal Sources. The text discussed is part of the Laws of Australia series.