Answer / guest

A profile is a set of APIs added to a configuration to
support specific uses of a mobile device. Along with its
underlying configuration, a profile defines a complete, and
usually self-contained, general-purpose application
environment. Profiles often, but not always, define APIs for
user interface and persistence; the MIDP profile, based on
the CLDC configuration, fits this pattern. Profiles may be
supersets or subsets of other profiles; the Personal Basis
Profile is a subset of the Personal Profile and a superset
of the Foundation Profile. See also configuration, optional
package.

Answer / b.chandra sai mohan

A Configuration is designed for a specific kind of device
based on Memory constraints and processing power. It
specifies a java Virtual machine that can be easily ported
to device specifying configuration.

A Profile which is built on top of configuration provides APIS
for UserInterface Design,Persistent Storage and what ever
else is necessary for running application on device.
javax.microedition.lcdui---->UserInterface Design
javax.microedition.rms.RecordStore---->Persistent Storage

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