How much the cylinder bald

Ten 〓 reed [13,751,076] [permanent, transaction integrity]
technical skills: C language, java preliminary understanding of

software engineering 5 asked

1. how to judge a software "good enough" to be released?

2. how to choose the right software tools to complete a software project?

3. If a piece of software does not have any bug (hypothesis), then this software in the future to how to maintain and develop?

4. how to increase software competitive with other similar software?

5. If you have a small number of users put forward the demand for software, whether to meet the needs of some users to develop new features?

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Origin www.cnblogs.com/wew581/p/12453235.html