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谈谈Java引用和Threadlocal的那些事-java架构师1的博客
source link: https://blog.51cto.com/13981400/2358572
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1背景某一天在某一个群里面的某个群友突然提出了一个问题:"threadlocal的key是弱引用，那么在threadlocal.get()的时候,发生GC之后，key是否是null？"屏幕前的你可以好好的想想这个问题，在这里我先卖个关子，先讲讲Java中引用和ThreadLocal的那些事。2Java中的引用对于很多Java初学者来说，会把引用和对象给搞混淆。下面有一段代码，U
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