# Turning Back Time: Strings, Locks and Garbage Collectors in Java--airhacks.fm podcast

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The #411 airhacks.fm episode with Ian Rogers (in/irogers) about:

Java API and type-system decisions in hindsight, from the String.substring change and CharSequence to biased locking, the Azul C4 read barrier, and the Android Runtime garbage collector.

is available for download.