Tuesday 20 February 2024

Pattern match Optional in Java 21

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I'm going to describe a trick to get pattern patching on Optional in Java 21, but one you'll probably never actually use. Using ...
Thursday 6 October 2022

Java on-ramp - Fully defined Entrypoints

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How do you start a Java program? With a main method of course. But the ceremony around writing such a method is perhaps not the nicest fo...
Saturday 25 September 2021

Big problems at the timezone database

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The last time I wrote about the timezone database on this blog, the database was under threat from a lawsuit. Fortunately that lawsuit w...
Monday 4 November 2019

Java switch - 4 wrongs don't make a right

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The switch statement in Java is being changed. But is it an upgrade or a mess? Classic switch The classic switch statement in Java isn&...
9 comments:
Friday 22 March 2019

User-defined literals in Java?

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Java has a number of literals for creating values, but wouldn't it be nice if we had more? Current literals These are some of the l...
8 comments:
Wednesday 9 January 2019

Commercial support for Joda and ThreeTen projects

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The Java ecosystem is made up of many individuals, organisations and companies producing many different libraries. Some of the largest proj...
4 comments:
Wednesday 31 October 2018

Should you adopt Java 12 or stick on Java 11?

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Should you adopt Java 12 or stick on Java 11 for the next 3 years? Seems like an innocuous question, but it is one of the most important de...
15 comments: