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Question :
(a) Class file verification in CLDC is different from class file verification in J2SE. Explain and discuss how and why it is different, illustrating your answer with a diagram.
(b) State and explain the essential API concepts associated with J2ME.
(c) Connected Limited Device Configuration provides two types of application security; state these two levels of security providing a brief explanation for each one of them.
(d) MIDP lcdui library defines displayable subclasses. Describe each of them.
(e) Assume that a particular J2me record store contains different types of records, with the type being indicated by the first byte. Write a j2me class that implements the RecordFilter interface and that returns ‘true' if the candidate record is an Integer record.
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Using this module we can keep up the database code clean and easy, and prevent problems that result from a failure to close database resources. A new layer of meaningful exceptions
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