Java bytecode articles

4-day workshop Β· In-person or online

What would it take for you to trust your Databricks pipelines in production?

A 3-day bug hunt on a 3-person team costs up to €7,200 in lost engineering time. This workshop teaches you to prevent that β€” unit tests, data tests, and integration tests for PySpark and Databricks Lakeflow, including Spark Declarative Pipelines.

Unit, data & integration tests
Medallion architecture & Lakeflow SDP
Max 10 participants Β· production-ready templates
See the full curriculum β†’ €7,000 flat fee Β· cohort of up to 10
Bartosz Konieczny
Bartosz
Konieczny

Manipulate bytecode with Javassist

Javassist is a very useful library to manipulate bytecode in Java. In intuitive way it allows to access class members and change their behaviour - as well in source-code level as in bytecode one.

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Code inlining

JIT is a tool plenty of magic, often considered by programmers as too low level to take them into account. But a lot of this magic stuff has a great influence on coding practices. One of them concerns methods size and is called inlining.

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Reading Java methods in bytecode

Last time we discovered the very basic elements of Java's bytecode, as methods or fields representations. This time we will treat more advanced subject, methods in general.

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Introduction to Java's bytecode reading

When you're learning Java concurrency, you surely hear very often about barriers. These barriers are expressed explicitly in bytecode, a intermediary form between code wrote by human and interpreted by machine. In this article we'll begin to learn the interpretation of bytecode to understand better what happen with it after, when machine uses it.

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