hackingwu
V2EX  ›  Java

JIT 优化怎么验证

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  •   hackingwu ·
    hackingwu · Jul 17, 2020 · 1769 views
    This topic created in 2226 days ago, the information mentioned may be changed or developed.

    x + TimeUnit.MINUTES.toMills(30); 这个语句 后面 TimeUnit.MINUTES.toMills(30) 在编译阶段不会被优化成常量。那么在运行时 JIT 是否会对他进行优化呢?如何验证?因为我在想是不是需要将 TimeUnit.MINUTES.toMills(30)提取为常量。

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