Useful information about how to get the free learning courses and discount on the OCP certification exam for a limited time.
Continue readingCategory: Java
Jakarta NoSQL
An introduction to understand the importance of Jakarta NoSQL API in the Java world, and example of how to use it.
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Formatting Dates with Java Date/Time API
A summary of how to format and parse datetime and strings in the Java Date/Time API.
Continue readingRest Client with Java 11+
A summary about how to create rest http client in Java. Focusing on the alternative previous Java 11 and then the new http client included in Java 11.
Continue readingHow to use Java Optional
Let’s see how to use the Java Optional class efficiently and introduce some functional programming to simplify our code.
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Integrating Spring Framework in Dropwizard
A very simple way to integrate Spring DI instead of GUICE in a Dropwizard application. Then the application is able to use any other Spring Framework/Springboot technology, and at the same time take advantage of some of the dropwizard features like HealthChecks, Metrics, and more.
Continue readingFrom Java 9 to Java 14, What’s new? (Part 3)
A comparison between Java 8 code to Java 14 code using the latest features released by this programming language.
Code has been reduced and looks simpler than before.
Continue readingFrom Java 9 to Java 14, What’s new? (Part 2)
Part II. (Java 12-Java 14) At this moment, the latest Java 14 is the latest version. So, it’s not easy to keep in mind all the new features that are being added to Java with every release. The goal of this article is to provide a summary of the main features that a Java Developer should keep in mind from Java 9 to Java 14.
Continue readingFrom Java 9 to Java 14. What’s new? (Part 1)
At this moment, the latest Java 14 is the latest version. So, it’s not easy to keep in mind all the new features that are being added to Java with every release. The goal of this article is to provide a summary of the main features that a Java Developer should keep in mind from Java 9 to Java 14.
Continue readingUnderstanding JVM, JRE and JDK
JDK is for development purpose whereas JRE is for running the java programs.
JDK and JRE both contains JVM so that we can run our java program.
JVM is the heart of java programming language and provides platform independence.