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Runtime. getRuntime(). totalMemory/maxMemory()
2022-07-03 22:30:00 【xinyihhh】
totalMemory()
return Java Total memory in the virtual machine . The value returned by this method may change over time , It depends on the host environment . Be careful , The amount of memory required to save any given type of object may depend on the implementation .
maxMemory()
return Java The maximum amount of memory the virtual machine will try to use . If there are no inherent restrictions , Will return to Long.MAX_VALUE value
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