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INTERVIEW QUESTIONS
OPERATING SYSTEMS
SYMBIAN
DETAILS
Question: Why should developers target Symbian OS, rather than any other phone running a Java VM?
Answer: This is a good question. We talked earlier about the business benefits, however there are also important technical reasons to do with:
* Robustness * Functionality and platform integration * Performance, both in terms of speed and memory footprint
Robustness: Symbian OS is designed to operate 24 hours a day, 7 days a week. User data loss on Symbian licensee devices is very rare, and system resets are almost never required. Java builds on this robustness
Functionality: Symbian's Java implementation is the richest Java environment for mobile phones, giving Java developers access to application engines, communications, messaging, Bluetooth, multimedia, etc.
Java is also well integrated: the user installs and starts a Java application as they would a native application, and the use of native windows controls means that a Java application looks like a native application
Java on Symbian OS is probably best of breed in terms of matching high performance with a tight RAM and ROM footprint:
* Symbian's Java implementation takes advantages of Symbian OSs mean and lean philosophy. Symbian, in both its Java implementation and its core operating system, has followed a philosophy of making optimal use of constrained memory resources. As an example Java classes can be run from ROM * The Java implementation is highly optimised at all points in the chain. This includes graphics, libraries, and of course the VM. Our next release will be based on Sun's CLDC HI Java VM
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Symbian Interview Questions & Answers -
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Question:
Why should developers target Symbian OS, rather than any other phone running a Java VM?
Answer:
This is a good question. We talked earlier about the business benefits, however there are also important technical reasons to do with:
* Robustness * Functionality and platform integration * Performance, both in terms of speed and memory footprint
Robustness: Symbian OS is designed to operate 24 hours a day, 7 days a week. User data loss on Symbian licensee devices is very rare, and system resets are almost never required. Java builds on this robustness
Functionality: Symbian's Java implementation is the richest Java environment for mobile phones, giving Java developers access to application engines, communications, messaging, Bluetooth, multimedia, etc.
Java is also well integrated: the user installs and starts a Java application as they would a native application, and the use of native windows controls means that a Java application looks like a native application
Java on Symbian OS is probably best of breed in terms of matching high performance with a tight RAM and ROM footprint:
* Symbian's Java implementation takes advantages of Symbian OSs mean and lean philosophy. Symbian, in both its Java implementation and its core operating system, has followed a philosophy of making optimal use of constrained memory resources. As an example Java classes can be run from ROM * The Java implementation is highly optimised at all points in the chain. This includes graphics, libraries, and of course the VM. Our next release will be based on Sun's CLDC HI Java VM Source: CoolInterview.com
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