--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/src/share/classes/jdk/jfr/internal/tool/Version.java 2020-01-30 06:27:56.473046779 +0000 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2018, 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.internal.tool; + +import java.util.Arrays; +import java.util.Deque; +import java.util.List; + +final class Version extends Command { + @Override + public String getName() { + return "version"; + } + + @Override + public String getDescription() { + return "Display version of the jfr tool"; + } + + @Override + public void execute(Deque options) { + System.out.println("1.0"); + } + + protected List getAliases() { + return Arrays.asList("--version"); + } +}