Category Archives: Java

Lambda Expression.


As a Java developer, it becomes your need to study about the new concepts and APIs keeps popping in and learn them to apply it in your development and compete the world. One of the biggest changes in Java 8 … Continue reading

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Did Someone Say Java 9 ??


In our previous blog , we discussed the features that were added in Java 8. More than three years after the release of Java 8, the next version is now just around the corner with a tentative release date of … Continue reading

Posted in Java, modularity, Scala | Tagged , , , , | 5 Comments

Like Java 7 ? Then You Are Going to Love Java 8 !!


JAVA 8 (aka jdk 1.8) is a major release of JAVA programming language development. With the Java 8 release, Java provided support for functional programming, new JavaScript engine, new APIs for date time manipulation, new streaming API, etc. which will … Continue reading

Posted in Functional Programming, Java | Tagged , , , , , , | 3 Comments

Knolx – Java 9 Modulatiry


Hi all, Knoldus has organized a 30 min session on 28th May 2017 at 4:05 PM. The topic was Java 9 Modularity. Many people have joined and enjoyed the session. I am going to share the slides and Video here. Please … Continue reading

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Let’s Consume a Micro-service


Micro-services architecture is being widely adopted and guess what, Lagom is the most efficient way to achieve it.  While creating micro-services, we usually need to interact with other micro-services and consume their data. So the idea behind this blog is … Continue reading

Posted in Java, Microservices | Tagged , , , , , | 1 Comment

Finagle : Controlling the Future Of RPC systems


In this blog we’ll use Finagle to build a very simple HTTP server that is also an HTTP client — an HTTP proxy. So Let’s Begin With Some Introduction to the Finagle. Finagle is an extensible Remote Procedure Call (RPC … Continue reading

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Simple Java program to Append to a file in Hdfs


In this blog, I will present you with a java program to append to a file in HDFS. I will be using Maven as the build tool. Now to start with- First, we need to add maven dependencies in pom.xml. … Continue reading

Posted in big data, HDFS, Java | Tagged , , , | 1 Comment

Introducing Kafka Streams: Processing made easy


If you are working on huge amount of data, you might have heard about Kafka. At a very high level, Kafka is a fault tolerant, distributed publish-subscribe messaging system that is designed for fast processing of data and the ability … Continue reading

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Apache Solr with Java: Result Grouping with Solrj


This blog is a detailed, step-by-step guide on implementing group by field in Apache Solr using Solrj. Note: Grouping is different from Faceting in Apache Solr. While grouping returns the documents grouped by the specified field, faceting returns the count of documents for … Continue reading

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Solr with Java: A basic hands-on with SolrJ


What is Apache Solr: Apache Solr is a search sever that includes the full-text search engine called Apache Lucene. It takes the piece of information (called documents) that are indexed according to the cores. When a query is performed, solr … Continue reading

Posted in Java | Tagged , , , , , | 3 Comments