Java tutorial
//package com.java2s; /* * Cacheonix Systems licenses this file to You under the LGPL 2.1 * (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.cacheonix.org/products/cacheonix/license-lgpl-2.1.htm * * 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. */ import java.util.Iterator; import java.util.List; import java.util.Set; public class Main { /** * Returns <code>true</code> if both lists are the same? * * @param list1 * @param list2 * @return */ @SuppressWarnings("ObjectEquality") public static boolean same(final List list1, final List list2) { if (list1 == null || list2 == null) { return false; } if (list1.size() != list2.size()) { return false; } if (list1 == list2) { return true; } if (list1.equals(list2)) { return true; } for (int i = 0; i < list1.size(); i++) { if (!list1.get(i).equals(list2.get(i))) { return false; } } return true; } /** * Returns <code>true</code> if both lists are the same? * * @param set1 * @param set2 * @return */ @SuppressWarnings("ObjectEquality") public static boolean same(final Set set1, final Set set2) { if (set1 == null || set2 == null) { return false; } if (set1.size() != set2.size()) { return false; } if (set1 == set2) { return true; } final Iterator iter1 = set1.iterator(); final Iterator iter2 = set2.iterator(); while (iter1.hasNext()) { final Object o1 = iter1.next(); final Object o2 = iter2.next(); if (!o1.equals(o2)) { return false; } } return true; } }