This week's Java roundup for June 15th, 2026, features news highlighting: point releases of Spring Tools, Helidon, JobRunr ...

Internal Implementation: Backed by a dynamic array (resizable array). The array starts with a default capacity of 10 and grows by approximately 1.5x when full, copying elements to a new array. Key ...

JAVA is a popular and powerful programming language that was created in 1995 by Sun Microsystems. The main features that make Java versatile are the Java Collections Framework (JCF). This framework ...

If you omit this step, the benchmark might measure an outdated package of algorithms. To run the benchmarks as configured by the code annotations, enter java -jar ...

Community driven content discussing all aspects of software development from DevOps to design patterns. A common problem in computing is to find out if a list contains duplicate entries. It’s also a ...

Sorry to users, I long since switched to using Bloom filters and don't currently have time to maintain this. There are known bugs in the implementation, and many unrealized performance opportunities ...

The Lamport algorithm for generating and applying one-time passwords (OTPs) is a simple solution that provides great value in the right context. Not only can the Lamport OTP scheme provide effective ...

After the previous post, I just had to look. The implementation of Object.equals is, as was previously noted, just “return this == obj”, but the implementation of Object.hashCode is far more ...

In the first article in this series, we saw how to build OSGi bundles, register services, build simple dependencies on other bundles, and look up services from other OSGi bundles. However, it's not ...