How do I find the physical memory size in Java?

Question

I\'m writing an installer that will tune the configuration of the product for the particular hardware on which it will be run. In particular, I want to determine how much p

Answer 1

You can use the following Java code to query the physical memory:

com.sun.management.OperatingSystemMXBean os = (com.sun.management.OperatingSystemMXBean)
     java.lang.management.ManagementFactory.getOperatingSystemMXBean();
long physicalMemorySize = os.getTotalPhysicalMemorySize();

But the package com.sun.management is optional and need not be available on every platform.