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The Latest Java Topics

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How to Create a Custom Maven Archetype
Creating a Maven archetype can be a good way to streamline beginnings of new projects in your company. Check out the guide on how to do it in practice.
March 21, 2017
by Shaamik Mitraa
· 41,647 Views · 13 Likes
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Turn WSDL Into Connector With Mulesoft SOAP Connect
One of Mule's powerful features is SOAP Connect, which turns your WSDL into the connector and install in the Mule design palette within less than a few minutes.
March 21, 2017
by Jitendra Bafna
· 8,419 Views · 2 Likes
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Immutables in Java
This in-depth look at mutability examines the pros and cons of using immutable classes as well as how to protect your mutability.
March 21, 2017
by Marcus Biel
· 34,013 Views · 54 Likes
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Java HashMap Search and Sort
A HashMap has plenty of uses, so let's see how you can find keys and values, load data from a CSV file into one, and use it for sorting.
March 16, 2017
by Jay Sridhar
· 83,977 Views · 27 Likes
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Dealing With Java's LocalDateTime in JPA
Trying to persist Java 8 LocalDateTime with JPA can produce surprising results. To prevent this, we need a special converter present on the classpath.
March 16, 2017
by MD Sayem Ahmed
· 89,268 Views · 25 Likes
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Java Inside Docker: What You Must Know to Not FAIL
If you've tried Java in containers, particularly Docker, you might have encountered some problems with the JVM and heap size. Here's how to fix it.
March 16, 2017
by Rafael Benevides
· 44,999 Views · 73 Likes
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Java: Interface vs. Abstract Class
How to characterize concrete classes using abstract classes and interfaces in Java.
March 14, 2017
by Daniel Meyer
· 64,290 Views · 32 Likes
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Logging to Database Using Log4J in MuleSoft
By making some changes, appending some properties to log4j.xml, and using custom Java code to connect to the database, we can make logging to a database possible.
March 14, 2017
by Surya Satya Kumar Uppuluri
· 10,678 Views · 2 Likes
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How to Crash the Java Virtual Machine With a Race Condition
A look at what kind of errors you'll see if the JVM crashes thanks to using race conditions.
March 14, 2017
by Thomas Krieger
· 19,149 Views · 8 Likes
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How to Convert CSV to JSON in Java
CSV data can be converted to JSON via a POJO using Jackson or, if a POJO is not defined or required, you can use the Java Collection classes.
Updated March 13, 2017
by Jay Sridhar
· 194,845 Views · 18 Likes
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Consuming SOAP Web Services Using Mule
All you need to consume a SOAP-based public web service from Mule Anypoint Studio is a WSDL to locate the SOAP-based web service.
March 13, 2017
by Danish Sheikh
· 50,597 Views · 7 Likes
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Invoke Java Functions in Your DataWeave Transformation and Mule Flow
DataWeave is a language used to query and transform complex data. It is very much so possible to invoke Java/Groovy functions within DataWeave.
March 12, 2017
by Jitendra Bafna
· 26,723 Views · 4 Likes
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Reading Text from Images Using Java
We take a look at some code that can help you to read text from an image with your Java application. Possible uses? Making sure your Captcha is doing its job.
March 10, 2017
by Anurag Jain
· 109,035 Views · 28 Likes
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How to Trigger a Mule Flow From Java
Triggering a Mule flow or a sub-flow by sending it a message payload and then using the response payload for your further processing is pretty straightforward.
March 9, 2017
by Harish Kumar
· 10,830 Views · 7 Likes
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ConcurrentHashMap in Java 8
This overview of ConcurrentHashMap covers its use in parallel programming and the various methods you can implement to make use of it.
March 9, 2017
by Arun Pandey DZone Core CORE
· 88,292 Views · 40 Likes
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Monitoring Out-Of-Memory Errors in Your Servers
Out-of-memory errors happen when your machines run into very low memory somehow. There are a lot of things you can do to avoid OOM.
March 7, 2017
by Denny Zhang
· 11,214 Views · 4 Likes
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Calling a Java Method From XSLT in Mule
The Xalan extension in our XSL file can call any Java method and get the value returned to it—which it can use to fill any node or attribute value.
March 7, 2017
by Anirban Sen Chowdhary
· 15,130 Views · 4 Likes
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Benchmarking Java Lists Performance
LinkedList is slightly slower than ArrayList with adding items to the end of the list. It is also slower when retrieving items with an index (random access).
March 7, 2017
by Jay Sridhar
· 22,000 Views · 10 Likes
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ChartistJSF: A Responsive Chart Library for Java Server Faces (JSF) Apps
ChartistJSF offers a wonderful library of interactive charts that offer a responsive interface for your users. Learn how to create these charts here!
March 6, 2017
by Sam Sepassi
· 21,495 Views · 5 Likes
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Using sun.misc.Unsafe in Java 9
This quick guide will take you through Unsafe in Java 9, saved from the trash heap by a public campaign, all while using the recent Java 9 EA release.
March 6, 2017
by Greg Luck
· 29,081 Views · 11 Likes
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