Java tutorial
/** * GuavaCollections.java * * Copyright 2013 the original author or authors. * * We licenses this file to you 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 org.apache.niolex.common.guava; import java.util.List; import com.google.common.collect.BiMap; import com.google.common.collect.HashBiMap; import com.google.common.collect.HashMultiset; import com.google.common.collect.Lists; import com.google.common.collect.Multiset; import com.google.common.collect.Range; import com.google.common.collect.RangeMap; import com.google.common.collect.TreeRangeMap; import com.google.common.primitives.Ints; /** * @author <a href="mailto:xiejiyun@foxmail.com">Xie, Jiyun</a> * @version 1.0.0 * @since 2013-4-23 */ public class GuavaCollections { /** * @param args */ public static void main(String[] args) { Multiset<String> wordsMultiset = HashMultiset.create(); wordsMultiset.add("abc"); wordsMultiset.add("abc"); wordsMultiset.add("abcd"); System.out.println("count => " + wordsMultiset.count("abc")); System.out.println("count => " + wordsMultiset.count("abcd")); BiMap<String, String> biMap = HashBiMap.create(); biMap.put("good", "morning"); biMap.put("bad", "afternoon"); System.out.println("good => " + biMap.get("good")); System.out.println("afternoon => " + biMap.inverse().get("afternoon")); RangeMap<Integer, String> rangeMap = TreeRangeMap.create(); rangeMap.put(Range.closed(1, 11), "Nice"); rangeMap.put(Range.openClosed(11, 15), "Girl"); System.out.println("11 => " + rangeMap.get(11)); System.out.println("12 => " + rangeMap.get(12)); System.out.println("15 => " + rangeMap.get(15)); System.out.println("16 => " + rangeMap.get(16)); List<Integer> countUp = Ints.asList(1, 2, 3, 4, 5); List<Integer> countDown = Lists.reverse(countUp); // {5, 4, 3, 2, 1} System.out.println("countUp => " + countUp); System.out.println("countDown => " + countDown); } }