INTERVIEW QUESTIONS OPERATING SYSTEMS SYMBIAN DETAILS

Question: What are your plans for Java on Symbian OS?

Answer: The PersonalJava and JavaPhone APIs on Symbian OS provides perhaps the richest Java environment for mobile phones. As an example we might use this capability to create an application for coordinating a meeting: it would use calendar APIs, contacts APIs, and messaging APIs to negotiate a suitable time and venue amongst the delegates.

However we recognise that for many devices PersonalJava's footprint is too big, so in addition we provide MIDP compatibility for all our phones, large and small. Symbian OS thus delivers both rich high-level PersonalJava and universally compatible MIDP Java implementations.

Of course what we want is both: a rich Java environment that is also small enough for the smaller phones and hence mass market. So we're moving to a single Java technology, based on MIDP 2.0 and CLDC. It will use Sun's powerful CLDC HI VM and additional, highly functional APIs. This gives us the important benefits of a CDC based solution, but in a smaller footprint and a more appropriate programming model. It will allow developers to create and run larger, more interesting, games and services.

In addition to MIDP 2.0 our next major release will include Java APIs for Bluetooth and messaging, with multimedia, location, PIM, and others following soon after. These APIs all conform to the relevant Java specification.

The PersonalJava and JavaPhone APIs on Symbian OS provides perhaps the richest Java environment for mobile phones. As an example we might use this capability to create an application for coordinating a meeting: it would use calendar APIs, contacts APIs, and messaging APIs to negotiate a suitable time and venue amongst the delegates.

However we recognise that for many devices PersonalJava's footprint is too big, so in addition we provide MIDP compatibility for all our phones, large and small. Symbian OS thus delivers both rich high-level PersonalJava and universally compatible MIDP Java implementations.

Of course what we want is both: a rich Java environment that is also small enough for the smaller phones and hence mass market. So we're moving to a single Java technology, based on MIDP 2.0 and CLDC. It will use Sun's powerful CLDC HI VM and additional, highly functional APIs. This gives us the important benefits of a CDC based solution, but in a smaller footprint and a more appropriate programming model. It will allow developers to create and run larger, more interesting, games and services.

In addition to MIDP 2.0 our next major release will include Java APIs for Bluetooth and messaging, with multimedia, location, PIM, and others following soon after. These APIs all conform to the relevant Java specification. Source: CoolInterview.com

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