But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for ...

This latest version of Java, due to arrive as a production release on September 16, has 18 features. JDK 25 comes on the heels of JDK 24, a six-month-support release that arrived March 18.

Java offers the Java Native Interface (JNI), which allows programs running in the Java Virtual Machine to invoke and be manipulated by native applications and libraries written in other languages, ...

I've been working with Parquet and Iceberg (Java version) and encountered an interesting performance scenario involving 300 text columns, some of which are dictionary-encoded while others are not. The ...

Think you've nailed the basics of Java pattern matching? Keep learning with these Java pattern matching examples involving records, inferred types and generics.

In sociology, code switching is when someone alters their speech around different groups of people, according to cultural norms. Learn more.

@Timll You were working on the summary loader if I recall correctly. Can you have a look?

Oracle announced a language server tool for Java developers using Visual Studio Code to provide language-specific 'smarts' in the super-popular, open source-based, cross-platform code editor.

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.