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Oracle ships Java 8

Oracle has decided to ship upgrade to JDK (Java Development Kit) 8 on March 18, even though the new release may come with a few bugs, as introduced by Full speed ahead: Oracle to ship ...
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Post-hoc tracing using a debugger

Once nice little features of most debuggers that I have been exercising recently is the ability to log information on a breakpoint. This can be a really useful was to understand code ...
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Java vs. Native Agents – The Powerful Things They Do

What you should know before installing an agent, and how it affects your code When building a scalable server-side application we spend considerable amount of time thinking about how ...
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Mirror Mirror – Using Reflection To Look Inside The JVM at Run-time

Developers: Takipi tells you when new code breaks in production –  Learn more We’re all used to employing reflection in our everyday work, either directly, or through frameworks ...
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Want to get faster with AtomicLong? Make it wait.

I often hear that Java atomic types (java.util.concurrent.atomic) are super-fast and play nicely with highly concurrent code. Most of the time, atomics do their job in a robust and ...
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How to serialize an array of doubles with a byte (binary delta encoding for low-varianced monotonic sets of floating point data)

Low latency systems require high performance message processing and passing. As in most cases data has to be transfered over the wire or serialised for persistence, encoding and decoding ...
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The Decorator Pattern

The Decorator Pattern One design pattern that I don’t see being used very often is Decorator. I’m not sure why this pattern isn’t more popular, as it’s quite handy. The Decorator ...
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On Java Collection Waste

This article is about overhead posed by one of the most popular frameworks used – I bet there is close to no applications where the java.util.Collections is not used. The article ...
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Closing 2013 with Core Java Posts

As 2013 starts drawing to a close, I have recently spotted several posts related to what I consider “core Java” knowledge appearing. This post is a listing of three posts ...
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java.util.Random in Java 8

One of the neat features of java.util.Random class in Java 8 is that it has been retrofitted to now return a random Stream of numbers. For eg, to generate an infinite stream of random ...
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