public static void main(String args[]) {
MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
MemoryUsage heapMemoryUsage = memoryMXBean.getHeapMemoryUsage();
long init = heapMemoryUsage.getInit();
long used = heapMemoryUsage.getUsed();
long max = heapMemoryUsage.getMax();
long committed = heapMemoryUsage.getCommitted();
long free = max - used;
int usedPercent = (int) (used / max);
int freePercent = (int) (usedPercent / max);
MemoryUsage nonHeapMemoryUsage = memoryMXBean.getNonHeapMemoryUsage();
List<GarbageCollectorMXBean> garbageCollectorMXBeans =
ManagementFactory.getGarbageCollectorMXBeans();
List<MemoryPoolMXBean> memoryPoolMXBeans = ManagementFactory.getMemoryPoolMXBeans();
com.sun.management.OperatingSystemMXBean operatingSystemMXBean =
(com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
long commitVirtual = operatingSystemMXBean.getCommittedVirtualMemorySize();
println(init, used, max, committed);
println(commitVirtual);
}
