Almost the Same Old Stuff - Beginning J2ME: From Novice to Professional - page 47

java.util
CLDC includes only a dozen classes from J2SE's java.util package. Many of the missing classes
are part of the Collections API, which is too bulky for small devices. Table 4-4 lists the classes
and interfaces of java.util in both J2SE and CLDC/MIDP.

Table 4-4. The java.util Package

J2SE SDK 1.4.2 CLDC 1.0 CLDC 1.1

Interfaces
Collection - -

Comparator - -

Enumeration Same Same

EventListener - -

Iterator

- -

List - -

ListIterator - -

Map

- -

Map.Entry - -

Observer - -

RandomAccess - -

Set - -

SortedMap - -

SortedSet - -

Classes

J2SE SDK 1.4.2 CLDC 1.0 CLDC 1.1

AbstractCollection - -

AbstractList

- -

AbstractMap - -

AbstractSequentialList - -

AbstractSet

- -

ArrayList - -

Arrays - -

BitSet - -

Calendar - -

Collections - -