hw1: done

hw1/answers.tex

@@ -23,38 +23,42 @@
   \item
     4: False (== for objects checks for reference equality)
   \item
-    5: False (it is indeed implemented by default - i.e.~in Object, but
-    the default implementation checks reference equality only)
+    5: False (it is indeed implemented by default - more precisely implemented
+    in Object - but the default implementation checks reference equality only)
   \item
-    6: False (a child class of Tiger may include additional fields that
+    6: False (a child class of \texttt{Tiger} may include additional fields that
     are mutable. However, all properties and behaviour accessible via a
-    reference of Tiger type is immutable)
+    reference of type \texttt{Tiger} type can be considered immutable)
   \item
-    7: False (the class is not public)
+    7: False (the class itself is not public)
   \item
-    8: False (classes in the same package can read the name field)
+    8: False (classes in the same package of \texttt{Tiger} can read the
+    \texttt{name} field)
   \item
-    9: True (the constructor to implement must explicitly call Tiger's
-    constructor with super)
+    9: True (the constructor to implement must explicitly call \texttt{Tiger}'s
+    constructor with \texttt{super})
   \item
-    10: False (the declared type is Number, the runtime type is Integer)
+    10: False (the declared type is \texttt{Number}, the runtime type is
+    \texttt{Integer})
 \end{itemize}
 
 \section{Exercise B}
 
 \begin{itemize}
   \item
-    1: False (the only `collection' data structure based over an unboxed
-    primitive type is the array)
+    1: False (the only ``collection'' data structure based over an unboxed
+    primitive type is the array -- however arrays are not \texttt{java.util}
+    collections)
   \item
-    2: True (if the hashCode() return value changes after the mutation then the
-    implementation of hashMap is unable to recognize it was inserted previously)
+    2: True (if the \texttt{hashCode()} return value changes after the mutation
+    then the implementation of hashMap is unable to recognize it was inserted
+    previously)
   \item
     3: True
   \item
     4: True
   \item
-    5: False (finally blocks are always evaluated)
+    5: False (\texttt{finally} blocks are always evaluated)
 \end{itemize}
 
 \section{Exercise C}