如何检查Java中的CPU和内存使用情况？

作者: 狗头军师
发布时间: 2024-07-11 06:42:40 (6天前)

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v-star*위위 | 2020-08-21 15-16

如果您正在专门寻找JVM中的内存： ``` Runtime runtime = Runtime.getRuntime(); NumberFormat format = NumberFormat.getInstance(); StringBuilder sb = new StringBuilder(); long maxMemory = runtime.maxMemory(); long allocatedMemory = runtime.totalMemory(); long freeMemory = runtime.freeMemory(); sb.append("free memory: " + format.format(freeMemory / 1024) + "<br/>"); sb.append("allocated memory: " + format.format(allocatedMemory / 1024) + "<br/>"); sb.append("max memory: " + format.format(maxMemory / 1024) + "<br/>"); sb.append("total free memory: " + format.format((freeMemory + (maxMemory - allocatedMemory)) / 1024) + "<br/>"); ``` 但是，这些仅应作为估计...

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