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finalize()函数与System.gc()问题 #1

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finalize()函数与System.gc()问题 #1

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System.gc()用于收集由new运算符创建的位于堆上的内存空间，JVM只有在内存空间不够用的情况下才会进行垃圾回收，我们可以使用System.gc()来提醒JVM进行垃圾回收（JVM不保证一定会回收）。
finalize()在JVM回收垃圾的时候，会被调用来清理非Java代码产生的内存。

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y

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