Java
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Apache Derby Database Users and Permissions
Abstract Apache Derby is awesome! Especially in a Microservices environment where the data for services (may) shrink and not require…
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Making Pivot Tables with Java Streams from Databases
Raw data from database rows and tables does not provide so much insight to human readers. Instead, humans are much…
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New JDK 11 Files Method isSameContent()
It has been proposed that a method named isSameContents() be added to the Files class in JDK 11 via JDK-8202285…
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TestContainers and Spring Boot
TestContainers is just awesome! It provides a very convenient way to start up and CLEANLY tear down docker containers in…
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New JDK 11 Files Methods for Reading/Writing Strings From/To Files
My previous post focused on the Files.isSameContent() method that is likely to be added to JDK 11. JDK-8201276 [“(fs) Add…
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Using Java Stream summary statistics
Streams of primitive types (IntStream, etc.) provide a summaryStatistics() method that can be used to get multiple statistical properties of…
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Secure a Spring Microservices Architecture with Spring Security and OAuth 2.0
“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over…
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Java 8 filter & map & collect & Stream Example
Hello guys, many of my readers emailed me to write a post about map and filter function of Java 8 because…
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Predicate::not Coming to Java
Jim Laskey’s recent message “RFR: CSR – JDK-8203428 Predicate::not” on the OpenJDK core-libs-dev mailing list calls out JDK Bug JDK-8203428…
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