1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package benchmarks; 18 19 import java.util.HashMap; 20 import java.util.Map; 21 22 /** 23 * Is there a performance reason to "Prefer virtual over interface", as the 24 * Android documentation once claimed? 25 */ 26 public class VirtualVersusInterfaceBenchmark { 27 public void timeMapPut(int reps) { 28 Map<String, String> map = new HashMap<String, String>(); 29 for (int i = 0; i < reps; ++i) { 30 map.put("hello", "world"); 31 } 32 } 33 public void timeHashMapPut(int reps) { 34 HashMap<String, String> map = new HashMap<String, String>(); 35 for (int i = 0; i < reps; ++i) { 36 map.put("hello", "world"); 37 } 38 } 39 } 40
