June 2017
Beginner
1296 pages
69h 23m
English
Iterator.
index.
autoboxing.
ArrayList.
unmodifiable wrapper.
auto-un-boxing.
disjoint.
16.2 Answers for a) through h):
False. Autoboxing occurs when adding a primitive type to a collection, which means the primitive type is converted to its corresponding type-wrapper class.
False. A Set cannot contain duplicate values.
False. A Map cannot contain duplicate keys.
True.
False. Collections is a class; Collection is an interface.
True.
False. As the load factor increases, fewer slots are available relative to the total number of slots, so the chance of a collision increases.
False. Attempting to insert a null element causes a NullPointerException.