/*
 * Copyright 2007 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package java.util;

/**
 * @SKIP
 *
 * Utility functions for private use within the JRE.
 */
class Utility {

  /**
   * Checks for equality of Objects, null-sensitive.
   */
  static boolean equalsWithNullCheck(Object a, Object b) {
    return a == b || (a != null && a.equals(b));
  }
}
