Method equivalent

corpus/java/training/guava/base/Equivalence.java:68–76

Returns true if the given objects are considered equivalent. The equivalent method implements an equivalence relation on object references: It is reflexive : for any reference x, including null, equivalent(x, x) returns true. It is

(@Nullable T a, @Nullable T b)

   * </ul>
   */
  public final boolean equivalent(@Nullable T a, @Nullable T b) {
    if (a == b) {
      return true;
    }
    if (a == null || b == null) {
      return false;
    }
    return doEquivalent(a, b);
  }

  /**
   * Returns {@code true} if {@code a} and {@code b} are considered equivalent.