package com.stanley.memmap;public class MemMapFile {  public static final int PAGE_READONLY = 0x02;  public static final int PAGE_READWRITE = 0x04;  public static final int PAGE_WRITECOPY = 0x08;  public static final int FILE_MAP_COPY = 0x0001;  public static final int FILE_MAP_WRITE = 0x0002;  public static final int FILE_MAP_READ = 0x0004;  static {    System.loadLibrary("MemMapLib");  }  private MemMapFile() {  }  public static native int createFileMapping(int lProtect, int dwMaximumSizeHigh, int dwMaximumSizeLow, String name);  public static native int openFileMapping(int dwDesiredAccess, boolean bInheritHandle, String name);  public static native int mapViewOfFile(int hFileMappingObj, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, int dwNumberOfBytesToMap);  public static native boolean unmapViewOfFile(int lpBaseAddress);  public static native void writeToMem(int lpBaseAddress, String content);  public static native String readFromMem(int lpBaseAddress);  public static native boolean closeHandle(int hObject);  public static native void broadcast();}