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How to monitor multiple JVM’s on a server with VisualVM

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In the last article I have shown you how to start WebLogic Server with single admin and mulitiple managed servers. After those are started, how do you go check their health status? You can use the admin’s /console webapp. But there  is also another tool that comes with all the default Oracle/Open JDK 6+: the VisualVM. I will show you ...

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The Power of Spreadsheets in a Reactive, RESTful API

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Being mostly a techie, I’ve recently and admittedly been deceived by my own Dilbertesque attitude when I stumbled upon this buzzword-filled TechCrunch article about Espresso Logic. Ever concerned about my social media reputation (e.g. reddit and hackernews karma), I thought it would be witty to put a link on those platforms titled: Just found this article on TechCrunch. Reads like ...

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NetBeans IDE 8.0 and new features for Java 8

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NetBeans IDE 8.0 is released, also providing new features for Java 8 technologies. It has code analyzers and editors for working with Java SE 8, Java SE Embedded 8, and Java ME Embedded 8. The IDE also has new enhancements that further improve its support for Maven and Java EE with PrimeFaces. Most important highlights are: tools and editor enhancements ...

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Java 8 Released! — Lambdas Tutorial

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To celebrate the release of Java 8 which was released just minutes ago, I am publishing a draft version of my Java 8 Lambdas Tutorial.  It is a nice visual way to learn the Streams API, and will help you get started taking advantage of lambdas in your own applications from day 1.  This article is scheduled to appear in ...

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Official Eclipse Support for Java(TM) 8

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Dani Megert, the project lead for the Java development tools (JDT) project made this announcement earlier today: The Eclipse top-level project is very proud to announce official support for Java™ 8. Starting with I20140318-0830 all Luna (4.4) builds contain the Eclipse support for Java™ 8. For Kepler SR2 (4.3.2) a feature patch is available. For future builds visit our downloads ...

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Go for Java Programmers: Packages, Functions, and Variables

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Go’s Familiar Syntax Due to their shared heritage in the C programming language, Go (aka Golang) code should be fairly recognizable to a Java developer.  Here is the canonical “Hello world” program, which you can execute and modify through your browser on the Go Playground site:           package main import "fmt" func main() { fmt.Println("Hello world") ...

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JavaSE: How to SET/GET your own Files and Directory Attributes

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In the previous article “Determining Views Supported by a Particular File System” and see how to ask the file system store, and see supportability of a particular file attribute view. We are going to explore in a nutshell, one of the most advanced and important files attribute views which is User-Defined File Attributes View. Particularly, I am using this feature ...

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Best way to learn Java programming? Meet the Java Code Geeks

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Java Code Geeks have grown over the years to become a full-fledged Java developers resource center and at the same time one of the most rapidly growing programming communities online. We currently feature a broad collection of Java material to cater to the needs of both the beginner and the seasoned veteran. For the junior developer that is now getting ...

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Update the AndroidManifest Version Number automatically

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Recently I needed to automate the update of the versionName element in the AndroidManifest.xml file. This needed to be timed stamped and updated with the correct version number when a build was run. We use maven as part of the build, a few plugins come in handy. We want to use POM’s version number so that tools like the maven-release-plugin ...

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