1 /* 2 * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package org.openjdk.bench.java.util; 26 27 import org.openjdk.jmh.annotations.Benchmark; 28 import org.openjdk.jmh.annotations.BenchmarkMode; 29 import org.openjdk.jmh.annotations.Mode; 30 import org.openjdk.jmh.annotations.OutputTimeUnit; 31 import org.openjdk.jmh.annotations.Scope; 32 import org.openjdk.jmh.annotations.State; 33 34 import java.util.Date; 35 import java.util.concurrent.TimeUnit; 36 37 @BenchmarkMode(Mode.AverageTime) 38 @OutputTimeUnit(TimeUnit.NANOSECONDS) 39 @State(Scope.Thread) 40 public class Dates { 41 42 int year = 75; 43 int month = 11; 44 int day = 23; 45 int hours = 16; 46 int minutes = 47; 47 int seconds = 12; 48 49 @Benchmark 50 public Date testEmptyConstructor() { 51 return new Date(); 52 } 53 54 @SuppressWarnings("deprecation") 55 @Benchmark 56 public Date testIIIIIIConstructor() { 57 hours++; 58 minutes++; 59 seconds++; 60 return new Date(year, month, day, hours, minutes, seconds); 61 } 62 }