Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

String manipulation is always resource-intensive, but compiled regex in Python and Java can help keep performance issues at bay.

Peter Lawrey discusses Unsafe in Java 8, Project Panama in Java 17 and Java 19, including pactical uses with code examples, demo using Panama, Event Sourcing using shared memory with Chronicle Queue.

Final thoughts on Directory Navigation in Java Java provides a few ways to traverse a directory, depending on which version you are using.