Generic equality of potentially null values

gistfile1.txt

/**
 * Compare 2 nullable for equality. If both are null they are considered to be equal.
 *
 * @param lhs Left Hand Side value
 * @param rhs Right Hand Side value
 * @param <T> A Type on which `equals()` will be called
 * @return true if the 2 values are equals taking `null` into account.
 */
public static <T> Boolean isEqual(@Nullable T lhs, @Nullable T rhs) {
  Boolean result;
  if (lhs == null && rhs == null) {
    result = true;
  } else if (lhs != null && rhs != null) {
    result = lhs.equals(rhs);
  } else {
    result = false;
  }

  return result;
}