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The major technology research companies’ forecasts that the verge of IoT is radically developing the traditional way of living and the typical manner of our communities. Actually, IoT has the capability to make our process of living more efficient in many ways. Virtually, all industry will get the beneficial outcome of the proliferation of the Internet of Thing in our ...

Introduction: LinkedHashMap is a Map implementation which maintains the insertion order of its elements. It extends the HashMap class: public class LinkedHashMap<K,V> extends HashMap<K,V> implements Map<K,V> Just like a HashMap, it allows storing one null key and many null values. Instantiating LinkedHashMap: We can use one of the following constructors to create a LinkedHashMap: LinkedHashMap() //default capacity 16 with load factor ...

In the 13 May 2019 post “RFR: Multi-line String Literal (Preview) JEP [EG Draft]” on the OpenJDK amber-spec-experts mailing list, Jim Laskey announced a draft feature JEP named “Text Blocks (Preview)” (JDK-8222530). Laskey’s post opens with (I’ve added the links), “After some significant tweaks, reopening the JEP for review” and he is referring to the draft JEP that was started ...

The importance of user engagement in Android app development cannot be overemphasized because this is what keeps the eco-system going. This is where the value of mobile app development lies. There is no need for brands to spend huge sums of money to acquire users if there are have no strategic plans to engage and retain them. It one thing ...

Greetings readers! In this tutorial, we will explore the JavaScript Generators. 1. JavaScript Generators – Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: Declaring ...

If you are here, you already know what Apache Ranger is. It is the most popular, if not the only, way to manage security in the Hadoop framework. It has integrations with Active Directory, Kerberos and various others for authentication but I believe the most interesting feature is its authorization support. Being part of the Hadoop ecosystem, one would not be surprised ...

What if you want to use a Hazelcast In-Memory Data Grid (IMDG) to speed up your database applications, but you have hundreds of tables to handle? Manually coding all Java POJOs and serialization support would entail weeks of work and when done, maintaining that domain model by hand would soon turn into a nightmare. Read this article and learn how ...

Apache Ant 1.10.6 has been released this week. This release contains numerous bug fixes as well as some very exciting new features. The complete release notes is available here and the downloads itself are available here. In this article, I will go over some of the new features that have made it into this release. Running JUnit5 tests in a ...

In this post, we feature a comprehensive article on Useful Debugging and Troubleshooting Tips for Beginners. There are three constants in life – death, taxes, and debugging codes. Plenty of programmers leave a mess of bugs when writing codes for new sling codes and features. But who cleans up the bugs? It is a separate thing to write good code ...