Information Module Profile

IMP stands for the Information Module Profile. It is a specification put out by Sun Microsystems for the use of Java on embedded devices with very limited displays. It is a subset of the Mobile Information Device Profile.
IMP is part of the Java ME framework.

Typical Requirements

128 kilobytes for the Java platform
8 kilobytes for persistent data
32 kilobytes for the Java runtime

Noteworthy Limitations

No API for displays

General APIs

The core APIs are defined by the underlying Configuration CLDC.

javax.microedition.io

Contains the Java 2 Platform, Micro Edition specific classes used for I/O operations.

javax.microedition.rms

Provides a form of persistent storage for Java 2 Platform, Micro Edition.

javax.microedition.midlet

Contains the base classes for Java 2 Platform, Micro Edition applications.