How to use

com.lody.virtual.helper.utils.FileUtils$FileLock

constructor

public static FileLock getInstance() {
  if (singleton == null) {
    singleton = new FileLock();
  }
  return singleton;
}

public static FileLock getInstance() {
  if (singleton == null) {
    singleton = new FileLock();
  }
  return singleton;
}

public static FileLock getInstance() {
  if (singleton == null) {
    singleton = new FileLock();
  }
  return singleton;
}