03 2009 檔案
[絕對原創] Use Unitils To Simplify Mock Test
摘要: Mock test is a very good way to test unit of codes. However, Mock test need lots effort on creating mock object, creating input and output parameter, and creating AugumentMatcher, and also comparing the expected result and actual results (assertions). Using Unitils can Simplify most of the manual work required by Mock Test.
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2009-03-30 22:30 Justin Chen 閱讀(2022) |
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[絕對原創] [Java內存管理精彩概述] JVM Memeory Management Summary - 0 of Series "Inside JVM"
摘要: Java Memory Management is one of the most important Java Core Techniques. It is worth for every developer to spend some time to learn how it works. It is also a very interesting topic. I try to provide an overview on Java Memory Management, so, some detailed are omitted in the slides, please see detailed by the Reference Links in the last page.
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2009-03-26 09:47 Justin Chen 閱讀(4716) |
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[絕對原創] Simplify Duplicated JDBC Code By Annotation - How can we remove Connection, Statement, and ResultSet Codes from DAO method
摘要: JDBC has been used as the major Java Database Access technique for long time. However, JDBC access always need try-catch block and repeated JDBC codes, such as connection, statement and resultset. And recently, JDK 6.0 already released a simplified JDBC access approach. This article will introduce a similar and very simple design to reduce most of JDBC codes. You don't have to repeat the traditional JDBC codes template agan and again.
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2009-03-20 10:07 Justin Chen 閱讀(2020) |
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GC(Garbage collection) Log and Analysis - 2 of Series "Inside JVM"
摘要: This article is trying to summarize what' the JVM GC log and how can we use it to analyse memory issues.
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2009-03-19 22:27 Justin Chen 閱讀(8514) |
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Using Tool To Improve Productivity (2) - P6Spy、IronTrack SQL、SQL Profiler - SQL Monitoring and Profiling
摘要: This article introduces three tools: P6Spy, IronTrackSQL and SQL Profiler (NOT SQL Server Profiler). Using these tools are very easy to log all SQL statements and show the detailed statistics results.
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2009-03-14 21:06 Justin Chen 閱讀(3559) |
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Why Performance Testing Result is NOT Stable - How can we avoid it?
摘要: In summary, we always met the performance result stability issue during performance testing. This article tries to explain why an java application will perform differently at different time, there are too many factors impacting this, and how can we get a more trustable results. This article is a first try to explain this topic, i hope more and more discussion will make us clearer.
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2009-03-09 23:25 Justin Chen 閱讀(1542) |
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Open-Source Java Report Framework Summary
摘要: Open Source Reporting Tools in Java
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2009-03-01 22:28 Justin Chen 閱讀(688) |
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