[Tex/LaTex] Table of contents with roman, arabic, and no page numbers

Question

I am trying to create a customized table of contents with the following
form. I have been looking at a number of sources but still having a hard
time getting it to work adequately. Right before the abstract there is a
title page that should not be considered in the table of contents. There is
an appendix at the end, that should not have a page number.

The table of contents should look like this:

                                   Table of Contents

            Abstract............................................ ii
            Acknowledgement. ................................... iii
            Table of Contents................................... iv
            Tables.............................................. v
            Figures............................................. vi
            1.0 Introduction ................................... 1
                    1.1 Background.............................. 2
                    1.1 Objectives.............................. 3
            2.0 Review.......................................... 4
                    2.1 xxxxxxxxxx.............................. 5
                    2.2 yyyyyyyyyy.............................. 6
            3.0 Conclusion...................................... 7
            4.0 References...................................... 8
            CODE................................................ 9
            APPENDIX

Answer 1

Here's a possible solution using the tocloft package and the book document class:

\documentclass{book}
\usepackage{tocbibind}
\usepackage{tocloft}
\usepackage{lipsum}

\AtBeginDocument{%
  \renewcommand\listtablename{Tables}
  \renewcommand\listfigurename{Figures}
  \renewcommand\contentsname{Table of Contents}
}

% Centered title for ToC, LoF, LoT
\renewcommand{\cfttoctitlefont}{\hfill\Huge\bfseries}
\renewcommand{\cftaftertoctitle}{\hfill}
\renewcommand{\cftloftitlefont}{\hfill\Huge\bfseries}
\renewcommand{\cftafterloftitle}{\hfill}
\renewcommand{\cftlottitlefont}{\hfill\Huge\bfseries}
\renewcommand{\cftafterlottitle}{\hfill}

% Leaders for chapter entries
\renewcommand\cftchapdotsep{\cftdotsep}

% Add space to account for new chapter numbering schema
\renewcommand\cftchapnumwidth{3em}
\renewcommand\cftsecindent{3em}

% Redefine representation for chapter (and section) counters
\renewcommand\thechapter{\arabic{chapter}.0}
\renewcommand\thesection{\arabic{chapter}.\arabic{section}}

\begin{document}

\frontmatter
\chapter{Abstract}
\lipsum[1]
\chapter{Acknowledgements}
\lipsum[1]
\clearpage
\tableofcontents
\clearpage
\listoftables
\clearpage
\listoffigures
\clearpage
\mainmatter
\chapter{Introduction}
\section{Background}
\section{Objectives}
\chapter{Review}
\section{Test Section}
\section{AnotherTest Section}

\backmatter
\chapter{CODE}

\chapter*{APPENDIX}
\addtocontents{toc}{\protect\addvspace{10pt}}
\addtocontents{toc}{\textbf{APPENDIX}}

\end{document}