java获取JVM信息

import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
import java.lang.management.MemoryUsage;
public class TestJVMInfo
{
public static void main(String[] args)
{
MemoryMXBean memorymbean = ManagementFactory.getMemoryMXBean();
MemoryUsage usage = memorymbean.getHeapMemoryUsage();
System.out.println("INIT HEAP: " + usage.getInit());
System.out.println("MAX HEAP: " + usage.getMax());
System.out.println("USE HEAP: " + usage.getUsed());
System.out.println("\nFull Information:");
System.out.println("Heap Memory Usage: "
+ memorymbean.getHeapMemoryUsage());
System.out.println("Non-Heap Memory Usage: "
+ memorymbean.getNonHeapMemoryUsage());
}
}