Class Library: CLDC Packages - Java 2 Micro Edition Application Development - page 255

to Form s and Alert s.
List The List class provides a Screen containing a list of choices.
Screen The Screen class is the superclass of all high-level user interface classes.
StringItem The StringItem class is an Item containing a String .
TextBox The TextBox class provides a Screen that is capable of entering and editing

text.

TextField

The TextField class provides an Item that is capable of entering and
e diting text that needs to be appended to a Form .

Ticker

The Ticker class implements a UI component where the text scrolls
continuously across the display.

The javax.microedition.midlet Package

This package defines MIDP applications and the interactions between the application and the
environment in which the application is executed.

Class

The MIDlet class provides an application for the MID profile.

Exception

The MIDletStateChangeException signals that a requested MIDlet state change has failed.

The javax.microedition.rms Package

This package provides a mechanism to persistently store data and later retrieve it.

Interfaces

RecordComparator The RecordComparator interface defines methods for a comparator
that compares two records, depending on the application-defined
criteria, in order to see if they match or to determine their relative sort
order.
RecordEnumeration The RecordEnumeration interface defines methods for a
bidirectional record store record enumerator.

RecordFilter The RecordFilter interface defines methods for a filter that

examines a record to see if it matches depending on the application-
d efined criteria.

RecordListener

The RecordListener interface defines methods for receiving
events indicating that a Record was changed, added, or deleted from
a record store.

Class

The RecordStore class represents one record store.

Exceptions

InvalidRecordIDException

The InvalidRecordIDException is thrown to
indicate that an operation could not be completed,
b ecause the record ID was invalid.