A simple example for main (String ) method executions would be to rerun the join point with different String arrays to generate a number of tests.
执行main (String)方法的一个简单例子是用不同的String数组生成一些测试，并反复运行连接点。
If I go back to that code from a moment ago, and I just rerun math3, notice how many places printed after the decimal point — two?
如果刚才我回到那段代码中去，我们回到math3，请注意在小数点后面，会打印几位数呢——两位？
If I go back to that code from a moment ago, and I just rerun math3, notice how many places printed after the decimal point — two?
如果刚才我回到那段代码中去，我们回到math3，请注意在小数点后面，会打印几位数呢——两位？
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