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In this article we will see a Java10 feature called Local Variable Type Inference proposed as part of JEP 286. From the first version of Java it is strongly typed language where we need to mention each variable data type. We all were feeling Java is verbose language and expecting precise, compact way of writing Java . Java 8 addressed ...

1. Introduction to MySQL replication In a large scale enterprise system, data consistency and backup is of prime importance. It is equally important to distribute the load on the database server using copies of the database. However, maintaining backup or additional instances is a difficult task especially when you try to copy entire database repeatedly. MySQL replication helps us precisely ...

How many lines of code did you write to sort a collection of objects before Java 8 ? How many, you will need with Java 8 ? You can do it with a single line in Java 8. Let’s see the following Employee class. public class Employee { private String name; private Integer age; public Employee(String name, Integer age) { ...

After Microsoft’s recent acquisition of Github, a mass exodus has kind of begun and many small and large projects are moving their code bases to the much hyped Gitlab in a hurry, and these include both open and closed source projects. However, before migrating to Gitlab, they should take a pause and learn something about Gitlab and consider evaluating other ...

For a Java developer new to JDK 8-introduced pipelines and streams, the peek(Consumer) method provided by the Stream interface can be a useful tool to help visualize how streams operations behave. Even Java developers who are more familiar with Java streams and aggregation operations may occasionally find Stream.peek(Consumer) useful for understanding the implications and interactions of complex intermediate stream operations. ...

Zuul 2 has finally been open sourced. I first heard of Zuul 2 during Spring One 2016 talk by Mikey Cohen is available here, it is good to finally be able to play with it. To quickly touch on the purpose of a Gateway like Zuul 2 – Gateways provide an entry point to an ecosystem of microservices. Since all ...

If you already have full control of your on premise data centers, yet can’t stop under utilizing and overpaying for resources, then how can you expect to prevent these costs from rolling over in to your cloud strategy? The daily cloud hype is all around you, yet there are three pitfalls everyone should avoid. From cloud, hybrid cloud, to hybrid ...

The message “RFR(s): 8204243: remove Thread.destroy() and Thread.stop(Throwable)” by @DrDeprecator (Stuart Marks) on the core-libs-dev OpenJDK mailing list is a request for review (RFR) of a change set associated with JDK-8204243 [“remove Thread.destroy() and Thread.stop(Throwable)”]. Both the bug report and the mailing list message describe the history of these two referenced Thread methods and explain that neither method really does ...

I’ve been a fan of the diagnostic command-line tool jcmd since hearing about jcmd at JavaOne 2012. I’ve used this tool extensively since then and have blogged multiple times about this tool: jcmd: One JDK Command-Line Tool to Rule Them All Determining the Active HotSpot Garbage Collector Programmatic jcmd Access JavaOne 2012: Diagnosing Your Application on the VM After numerous ...