Java
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How to Use Nutch From Java, Not From the Command Line
Apache Nutch is an open source framework written in Java. Its purpose is to help us crawl a set of…
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Integrate Spring Boot Application with Amazon Cognito
In this article, we will show how to use Amazon Cognito service for authentication users in a Spring Boot application…
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Java Stream: Part 2, Is a Count Always a Count?
In my previous article on the subject, we learned that JDK 8’sstream()::count takes longer time to execute the more elements…
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A complete tutorial on the Drools business rule engine
As always we share the code presented in the tutorial in a companion repository: EmailSchedulingRules. Business rules work very well…
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JDK 12 – JEP 325 Switch Expressions
JDK 12 went GA on March 19, 2019, keeping its word on shorter release cycles and frequent releases. The features…
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HashSet In Java
Introduction: HashSet in Java implements Set interface i.e. it doesn’t allow duplicates. It is internally backed by a HashMap which works…
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Viewing TLS Configuration with JDK 13
JDK 13 Early Access Build 16 is now available and one of the interesting additions it brings is the ability…
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Web Services Interview Questions and Answers
In this post we cover almost every portion of the concept of Web services that you need to be familiar…
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Build a Microservice Architecture with Spring Boot and Kubernetes
“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over…
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