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News January 2022

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This month I took a look at the latest techniques used to build Java agents, by focusing on talks and articles by Rafael Winterhalter, the author of ByteBuddy - a tool that helps you dynamically adjust Java code.

What's most interesting is how simple and straightforward the basic implementation of a Java simple agent is. If you want to try it, you can be up and running with your own agent implementation in minutes! Though as the article about using invokedynamic shows (see below), it can get very complex if you want to implement a sophisticated full featured Java agent. (I currently work on the Elastic APM Java Agent which is a sophisticated fully featured agent that obviously I'm happy to recommend - and the source code is fully available).

Now on to all the usual newsletter list of links, tips, tools, news and articles including those ByteBuddy focused ones, and as usual I've extracted all the tips into this month's tips page including the Java agent tips

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Jack Shirazi

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Last Updated: 2023-01-29
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