jdk/test/demo/jvmti/mtrace/JFrameCreateTime.java
author ohair
Tue, 22 Jun 2010 17:26:32 -0700
changeset 5967 26b773bf22ea
parent 5506 202f599c92aa
child 24517 2289550a4152
permissions -rw-r--r--
6933622: Duplicate class files in rt.jar and charsets.jar 6895003: JarReorder is not excluding a requested file. Reviewed-by: jjg
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/*
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 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* JFrameCreateTime:
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 *
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 * Example swing application that just creates a JFrame object.
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 *
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 */
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/* Early in 1.5 it was reported that doing a step into the first JFrame
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 *   was very slow (VisualMust debugger people reported this).
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 */
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import javax.swing.*;
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public class JFrameCreateTime {
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    public static void main(String[] args) {
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        JFrame f;
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        long start, end;
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        start = System.currentTimeMillis();
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        f = new JFrame("JFrame");
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        end = System.currentTimeMillis();
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        System.out.println("JFrame first creation took " + (end - start) + " ms");
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        start = System.currentTimeMillis();
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        f = new JFrame("JFrame");
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        end = System.currentTimeMillis();
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        System.out.println("JFrame second creation took " + (end - start) + " ms");
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        System.exit(0);
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    }
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}