/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import sun.management.ManagementFactoryHelper;
import sun.management.ManagementFactoryHelper;
 
import javax.management.MBeanServer;
import javax.management.ObjectName;
import java.lang.management.BufferPoolMXBean;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryPoolMXBean;
import java.util.List;
import java.util.Set;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println("MaxDirectMemory = " + 	sun.misc.VM.maxDirectMemory());
	for(BufferPoolMXBean bufferPoolMXBean: ManagementFactoryHelper.getBufferPoolMXBeans()){
			System.out.println(bufferPoolMXBean.getName());
			System.out.println(bufferPoolMXBean.getClass());
			System.out.println(bufferPoolMXBean.getCount());
			System.out.println(bufferPoolMXBean.getMemoryUsed());
			System.out.println(bufferPoolMXBean.getTotalCapacity());
		}
	}
}

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