Category Archives: Java

Java calls WCF Service

Posted on August 18, 2020 by chanmingman

This post shows you how to call WCF from Java. To create a WCF Services refer to here https://chanmingman.wordpress.com/2020/07/15/asp-net-blazor-call-wcf/. In order to call WCF from Java you need to download JSK 1.6 and Luna Eclipse. I found Java 1.8 has … Continue reading →

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JDBC connect to SQL Azure

Posted on June 10, 2020 by chanmingman

This post is because a friend of mine asking “From AWS connect directly to db in Azure via JDBC connection. Any advise?”. I do believe JDBC will work the same across Axure, AWS or Google cloud platform. The below code … Continue reading →

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Android Emulator run on AMD chip

Posted on May 16, 2020 by chanmingman

Finally Android emulator can run on AMD chip. I am using Ryzen 5. How to setup in up, follow this link https://developer.android.com/studio/run/emulator#install, when it is still valid.

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The problem with Java1z0-808 exam

Posted on December 5, 2019 by chanmingman

Why you should not take the Oracle exam 1z0-808. Actually, I have gotten some pretty good past questions from https://www.gratisexam.com/. The problem was, I suspected the answers were questionable. So I have built them using NetBean, many of them, here … Continue reading →

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NetBeans 11 create Java project without Maven

Posted on October 28, 2019 by chanmingman

When you want to create a Java SE project in NetBeans 8, you see Java -> Java Application. A straightforward way. Many people are lost when come to NetBeans 11. In NetBeans 11 you choose Java with ant -> Java … Continue reading →

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iReport Cannot find java.exe

Posted on October 1, 2019 by chanmingman

This post shows you one of the possibilities to resolve the error from iReport, “iReport Cannot find java.exe”. After you have downloaded iReport let say version 5.5.0. You have definitely installed Java SDK as well. But when you go to … Continue reading →

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Groovy Script is missing form Eclipse

Posted on September 2, 2019 by chanmingman

This post shows you how to use Groovy with Eclipse and where to get the Groovy Script. The Eclipse version I have is Version: 2019-06 (4.12.0). To add Groovy to Eclipse go to Help -> Eclipse Marketplace. Type Groovy in … Continue reading →

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Groovy Exception in thread “main” java.lang.ClassNotFoundException: com.microsoft.sqlserver

Posted on September 1, 2019 by chanmingman

This short post reemphasizes on the error for Groovy to access Microsoft SQL Server. This could be the driver issue or you did not add the library at the correct place for example, like this case for NetBeans https://chanmingman.wordpress.com/2019/09/01/groovy-with-microsoft-sql-server/.

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Why use Java

Posted on May 17, 2017 by chanmingman

Introduction Java is an object-oriented programming language that was first released by Sun Microsystems in 1995.  Back in the 90s all the programming languages were not GUI friendly. The only GUI friendly programming language was Visual Basic. Again, back in … Continue reading →

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Using node.js as a web server with Visual Studio Code

Posted on January 24, 2017 by chanmingman

This blog shows you how to use node.js as web server. If you just want to test html, JavaScript, and CSS then you can use node.js as web server. Do the following 1.       Download Visual Studio Code https://code.visualstudio.com/. 2.       Install … Continue reading →

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