Polyglot Native: a ahead-of-time compiler for Java bytecode
Execution of JVM-based programs uses bytecode loading and interpretation, just-in-time compilation, and monolithic heaps. This causes JVM-based programs to s... (more…)
Read more »Understanding Java HashMaps
The Java hashmap is a widely used data structure! Won’t it be awesome if you knew how it actually works behind the scenes? Read more
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Classic Computer Science Problems in Java Is Published
I am pleased to announce that my fourth book, Classic Computer Science Problems in Java, has been published. It is now available for purchase from the publisher’s website. As Manning’s deal of the day, the book is available today (January 5, 2021) for 50%... (more…)
Read more »Ode to Kotlin – Why to Use Kotlin Over Java
I hate working with Java. I really do. It makes me always feel powerless and bored. Yet I... (more…)
Read more »Making FlameGraphs with Containerized Java
About a month ago, I had the pleasure of taking a tutorial led by the fantastic Brendan Gregg on creating FlameGraphs using the Linux perf toolset. I recommend reading his many blog posts on the subject, but in short: while perf is an excellent resource f...
Read more »When to use var in Java 10
Java 10 officially introduced the var keyword to declare the local variable without typing the type information. Java developers have needed to keep typing the class name explicitly for a long time. (more…)
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