查看JVM进程的内存情况
// DirectMemory.javapackage com.infuq.memory;import org.jctools.util.UnsafeAccess;import sun.misc.Unsafe;import org.openjdk.jol.info.ClassLayout;import org.openjdk.jol.vm.VM;import java.util.Scanner;public class DirectMemory { public static v
