Java examples to convert a date from one timezone to another timezone. We will see the examples using ZonedDateTime, Date and Calendar classes.
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Class sharing in Eclipse OpenJ9
Memory footprint and startup time are important performance metrics for a Java virtual machine (JVM). The memory footprint becomes especially important in the cloud environment since you pay for the memory your application uses. This tutorial shows you how to use the shared classes feature in Eclipse OpenJ9 to reduce the memory footprint and improve your JVM startup time.
DevOps Certification Training Course
This DevOps certification training online course makes you an expert on DevOps tools-Git, Docker, Jenkins, Puppet & Nagios with 3 real-life projects. Enroll now!
A beginner’s guide to Phantom Read anomaly – Vlad Mihalcea
Phantom Read is a data integrity anomaly that can occur when one transaction observes two successive versions of the same multi-record query.
Java Testing Weekly 28 / 2018
There are many software development blogs out there, but many of them don’t publish testing articles on a regular basis. Also, I have noticed that some software developers don’t read blogs written by software testers. That is a shame because I think that we can learn a lot from them. That is why I decided to create a newsletter that shares the best testing articles which I found during the last week. Let’s get started. Technical Stuff Spring Boot Integration Testing with Embedded MongoDB describes how you can write integration tests for a Spring Boot application that uses MongoDB. The Really Valuable Stuff On ending the regression automation fixation is a good blog post that describes why you shouldn’t write end-to-end tests if you want to get started with test automation. Note that even though the author uses the term regression test, the tests he describes seem like end-to-end tests to me. Streamlining your Automated Test Strategy with Risk Maps is a thought-provoking post that describes how you can get the best bang for your buck by identifying the things that can go wrong and writing tests for the riskiest “parts” of the tested feature. What Is Software Testing introduces
Javaアプリケーションを自動的にDockerイメージにビルドしてくれる「Jib」、Googleがオープンソースで公開
Googleは、Javaアプリケーションを自動的にDockerコンテナ化するツール「Jib」をオープンソースで公開しました。 JavaのビルドツールであるMavenもしくはGradleのプラグインとしてJibをインストールすることで、Doc…
Convert Date to EST/EDT Timezone
Java supports three timezone constants for Eastern Standard Time i.e. “EST”, “America/New_York” and “EST5EDT”. It is very important to understand difference between them to correctly utilize these constants for converting date or time in Eastern Standard Time values.
Spring Batch CSV to Database – Java Annotation Config Example
Learn to use Spring batch to read records from CSV file and insert into database using JdbcBatchItemWriter. I am using embedded database H2 to demo this example.
How can I read a Java long as unsigned and store its value in a BigInteger?
I have to handle an 8-byte unsigned integer type in Java somehow.My 8-byte unsigned integer is stored in a byte array wrapped by ByteBuffer. It comes from a data logger database and contains very…
Upgrading Devoxx to Gluon Mobile 5 – Gluon
Devoxx is a series of international technical conferences. They use a mobile application to help organizers and attendees locate venues, browse and schedule sessions, scan badges, give feedback, and so much more. The Devoxx app is open source, and is built using Gluon Mobile, which enables it to deploy to both Android and iOS with …
The Current State of Java Value Types
Oracle has been working to bring value types to the Java language and runtime. We present an update on the current status of this work.
Google Simplifies Java Containerization with New Tool — ADTmag
The new tool, called Jib, is a fast and simple container image builder that consolidates all the steps involved in packaging an app into a container image, and allows developers to build containers using familiar Java tools.
Orgchart With CSS Flex and ZK – DZone Web Dev
A tutorial on how to use ZK to easily work with HTML, CSS, and JavaScript to create a basic client-side example application, an organizational map chart.