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NFJS2025

Java Upgrade

Learn to use the new features of Java 8, 9, and beyond, including lambda expressions, method references, and the streaming API.

Exercises will include using lambdas and streams, refactoring existing code, working with map/filter/reduce, and sampling the new java.time package.

Knowledge of earlier versions of Java is assumed. The exercises will be independent of IDE, but IntelliJ IDEA is recommended.


Kenneth Kousen

About Kenneth Kousen

Ken Kousen is a Java Champion, several time JavaOne Rock Star, and a Grails Rock Star. He is the author of the Pragmatic Library books “Mockito Made Clear” and “Help Your Boss Help You,” the O'Reilly books “Kotlin Cookbook”, “Modern Java Recipes”, and “Gradle Recipes for Android”, and the Manning book “Making Java Groovy”. He also has recorded over a dozen video courses for the O'Reilly Learning Platform, covering topics related to Android, Spring, Java, Groovy, Grails, and Gradle.

His academic background include BS degrees in Mechanical Engineering and Mathematics from M.I.T., an MA and Ph.D. in Aerospace Engineering from Princeton, and an MS in Computer Science from R.P.I. He is currently President of Kousen IT, Inc., based in Connecticut.

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