\section{Overview}
\begin{quote}
    Activities on Lesson page 6-3 \\
    Activities on Lesson page 6-4 \\
    Activities on Lesson page 6-5-1 \\
    Activities on Lesson page 6-6-1 \\
    Activities on Lesson page 6-7 \\
    Activities on Lesson page 5-1 \\
    Activities on Lesson page 5-2 \\
    Activities on Lesson page 5-3 \\
    Activities on Lesson page 5-4 \\
    Activities on Lesson page 5-5
\end{quote}

\section{Classes and objects}

\begin{description}

\item\textbf{Activity 6-3-1: Using an object to aggregate information}

%% Definitions and phrase completions
 % 
\defn{aggregate}

\phrase{field}


\item\textbf{Activity 6-3-2: Referencing an object and its fields}

%% Definitions and phrase completions
 % 

\phrase{What do reference variables contain?}

\phrase[1.5in]{Write down the rule for referring to a field
of an object:}

\phrase{Assume variable \code{x} contains the name of an object with three
  fields, and variable \code{y} is of the same type as \code{x}. Write an
  expression that makes \code{y} refer to the same object as \code{x}.}

\item\textbf{Activity 6-3-3: The class as a description of objects}

%% Definitions and phrase completions
 % 

  \phrase{How can you tell the difference between static and non-static
    variables of a class?}

  \phrase{In the filing analogy, where are objects placed?}

  \truefalse{In the filing analogy, non-static variables belong in the
    drawer for the class in which they are defined.}

\item\textbf{Activity 6-3-4: A class as a type}

%% Definitions and phrase completions
 % 

  \defn{type}

  \defn{primitive type}

  \defn{class type}



\item\textbf{Activity 6-3-1: ActivityTitle}

%% Definitions and phrase completions
 % 


\item\textbf{Activity x-x-x: ActivityTitle}

%% Definitions and phrase completions
 % 


\item\textbf{Activity x-x-x: ActivityTitle}

%% Definitions and phrase completions
 % 
\end{description}


\section{Creating and initializing objects}
\section{Scope}
\section{Constructors}
\section{Non-static methods}
\section{Style}
\section{Comments}

