Java杂谈



Java杂谈

尽量使用小对象，并且在方法内和线程内分配对象，利用JIT在优化时对象在栈上分配，减少在堆上分配内存，可以参考浅谈HotSpot逃逸分析，但是笔者在关闭逃逸分析的时候（-XX:-DoEscapeAnalysis），对线上机器，对GC请求没啥影响，但是自己写测试确实有比较大的影响，没有明白为什么。


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