/*
* Copyright ( c ) 2014 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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package org.openjdk.bench.java.util;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.util.Date;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread )
@Warmup(iterations = 4 , time = 2 )
@Measurement(iterations = 4 , time = 2 )
@Fork(value = 3 )
public class Dates {
int year = 75 ;
int month = 11 ;
int day = 23 ;
int hours = 16 ;
int minutes = 47 ;
int seconds = 12 ;
@Benchmark
public Date testEmptyConstructor() {
return new Date();
}
@SuppressWarnings("deprecation" )
@Benchmark
public Date testIIIIIIConstructor() {
hours++;
minutes++;
seconds++;
return new Date(year, month, day, hours, minutes, seconds);
}
}
Messung V0.5 in Prozent C=99 H=93 G=95
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-06-22)
¤
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