Understand the NaN – “not a number” value in Java.
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Java Weekly, Issue 227
This week, GraalVM, a bit of JDK 11, and a cool write-up about the Kotlin collections.
Introduction to Primefaces
Learn the basics of the Primefaces UI toolkit with demonstrations of some of its main features.
Displaying Money Amounts in Words
A simple Java solution to an interesting problem of printing a numerical amount of money with words.
Using a Spring Cloud App Starter
Let’s have a look at how to use Spring Cloud App starters using an example which streams Twitter posts into a Hadoop Distributed File System.
Introduction to Java Primitives
Learn the basics of Java’s primitive data types.
Guide to ThreadLocalRandom in Java
Learn to generate random values in a multi-threaded environment using ThreadLocalRandom.
A Guide to TreeSet in Java
A quick and practical introduction to the TreeSet in Java.
Java 9 Variable Handles Demystified
Explore variable handles in Java 9 through the VarHandle API.
Introduction to OSGi
A quick and practical introduction to OSGi – a Java-based component system.
An Example of Backward Chaining in Drools
Learn what Backward Chaining is and how to use it in practice, with Drools.
Activiti with Spring Security
Learn how to integrate Activiti’s identity management with Spring Security.
Compact Strings in Java 9
Discover Compact Strings – a new Java 9 feature.
Guide to Collections API in Vavr
Discover Vavr’s powerful persistent collections API.
String Search Algorithms for Large Texts with Java
Discover different full-text search algorithms implemented using plain Java.
Broadcasting and Multicasting in Java
Learn how one-to-all (broadcast) and one-to-many (multicast) communications can be handled in Java.
Guide to Apache Commons CircularFifoQueue
A quick and practical guide to the CircularFifoQueue data structure from Apache Commons.
A Guide to Activiti with Java
Learn the basics of using Activiti with Java.
Guide to the HyperLogLog Algorithm in Java
A quick and practical guide to HyperLogLog for estimating the cardinality of large data sets in Java.
Serenity BDD and Screenplay
A quick and practical example of Serenity BDD Framework with Screenplay.
