用几个变量保存 long t1 = System.currentTimeMillis()
do .............
long t2 = System.currentTimeMillis()
out.println(" ********** " + (t2 - t1));
do .............
long t2 = System.currentTimeMillis()
out.println(" ********** " + (t2 - t1));
解决方案 »
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