refactoring legacy code for java 8

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Archive for the tag "lambda"

refactoring legacy code for java 8

June 25th, 2016 by Jeanne Boyarsky

I asked a teammate at CodeRanch if I could use a method he wrote to show how it could be written more clearly/succinctly in Java 8. He said yes. This is the original method. It is 95 lines and has a cyclomatic complexity of 27. First step – write unit tests First, I wrote unit tests for […]

using Nashorn’s jjs for experimenting

January 25th, 2015 by Jeanne Boyarsky

In Java 8, Oracle introduced the new Nashorn engine and is encouraging the use of jjs. It’s a RPEL (read print evaluate loop) for JavaScript. Since JavaScript can call Java, this allows experimenting with Java APIs like you do in other languages like Python and Ruby. It works better in those languages though. Cay Horstmann’s […]

java 8 lambdas from the nyc java meetup

August 20th, 2013 by Jeanne Boyarsky

I really liked the Java 8 Lambda talk from yesterday evening’s meetup so I’m blogging about it.  I like lambdas for the same reasons I like regular expressions – so much power and clarity!   The speaker was Timothy Fagan from Lab 49.  Photos of most of the slides are on the meetup website.  (not […]