Method equal

corpus/java/training/guava/base/Objects.java:56–58

Determines whether two possibly-null objects are equal. Returns: true if a and b are both null. true if a and b are both non-null and they are equal according to Object#equals(Object). false in all other situations

(@Nullable Object a, @Nullable Object b)

   * {@link java.util.Objects#equals} instead.
   */
  public static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  /**
   * Generates a hash code for multiple values. The hash code is generated by calling