private static boolean hasUnsafe0() {
    if (isAndroid()) {
      return false;
    }

    boolean noUnsafe = SystemPropertyUtil.getBoolean("io.netty.noUnsafe", false);
    if (noUnsafe) {
      return false;
    }

    // Legacy properties
    boolean tryUnsafe;
    if (SystemPropertyUtil.contains("io.netty.tryUnsafe")) {
      tryUnsafe = SystemPropertyUtil.getBoolean("io.netty.tryUnsafe", true);
    } else {
      tryUnsafe = SystemPropertyUtil.getBoolean("org.jboss.netty.tryUnsafe", true);
    }

    if (!tryUnsafe) {
      return false;
    }

    return PlatformDependent0.hasUnsafe();
  }
 private static boolean isWindows0() {
   return SystemPropertyUtil.get("os.name", "").toLowerCase(Locale.US).contains("win");
 }
 public void test1() {
   System.out.println(SystemPropertyUtil.getInt("sun.arch.data.model", 0));
   System.out.println(System.getenv("TEMP"));
   System.out.println(PlatformDependent.maxDirectMemory());
   System.out.println(Runtime.getRuntime().maxMemory());
 }