The warnings has impacts on the performance

My project's JDK upgrades from 1.4 to 5.0. As the programs are still in the 1.4 standard, lots of warnings appears such as variables define...
It makes my project's performance very bad. With 1.4, my project can complete processing in 15 minutes, but now it needs over 20 minuts with jdk5.0. When I use @suppress warning to ignore those wranings, the performance improves to 14 minutes.
Why the warnings have bad influence on the performance? will the JDK write log if there are warning???

Fredo_xia wrote:
My project's JDK upgrades from 1.4 to 5.0. As the programs are still in the 1.4 standard, lots of warnings appears such as variables define...
It makes my project's performance very bad. With 1.4, my project can complete processing in 15 minutes, but now it needs over 20 minuts with jdk5.0. When I use @suppress warning to ignore those wranings, the performance improves to 14 minutes.
Why the warnings have bad influence on the performance? will the JDK write log if there are warning???Well, as stated above, that is only compile time, not execution time. I would, however, say to fix those warnings, not just suppress them. But that's your choice.

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The warnings has impacts on the performance

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