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2007年10月12日 星期五

Quiz 10-12-2007

1. Let i, j be two integers. Write a program to exchange their values. How can you show your program is correct.
Ans:



2. The identifier BufferedReader is normally abbreviated as BR in programming language C. However, Java programmers normally do not use abbreviations for identifiers. What are the advantages and disadvantages of not using abbreviations?

Ans:
Because Java programmer want the program to be easy understand. So they are not using abbreviations.

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