Largest free Technical and Blogging resource site for Beginner. We help clients transform their great ideas into reality!
In this tutorial we will go over steps on how to install and configure Elasticsearch for your development and production environment.
What is ElasticSearch?
One of the best search and analytics engine out there in the world. Elasticsearch is a distributed, JSON-based engine designed for horizontal scalability, maximum reliability, and easy ...
Read Article
Let's take a look at a problem in which you may want to capture Tcpdump output in your Java Program. You may need TCPDump data with N number of possibilities.
This is a tcpdump Tutorial and Tcpdump usage examples and How to dump packets with ...
Read Article
Sometime back I've written an article on Producer Consumer Example and how to handle read/write operation better way in Java. On the similar note, in this tutorial we will discuss something on Race Condition and Thread locking.
If you have any of ...
Read Article
Java 8 has so many new functionalities and collection of features which are hidden inside packages. In this tutorial we will go over java.nio.file.Path interface.
Path is an object that may be used to locate a file in a file system. It will ...
Read Article
If you don't want to use Google Guava's EvictingQueue external dependency in your Java Enterprise Project then you should consider creating your own non-blocking, fixed size queue.
Basically we want avoid java.lang.IllegalStateException: Queue ...
Read Article
Sometime back I've written an article on Java eNum - Why and for what should I use Java eNum?
What is an eNum type?
It is a special data type to which we could assign predefined constants to variable.
In this tutorial we will go over how to ...
Read Article
Is there a way to get the value of a HashMap randomly in Java? Of Course, below is a simple Java Code which represents the same.
Also, at the end of program there is a bonus code to Shuffle complete HashMap. Reshuffling a large collection is ...
Read Article
Sometime back I've written an article on how to remove /tmp or unnecessary files / folder on Linux automatically via script? Now it's time to write the same utility for Windows environment.
In this tutorial we will go over all steps in details to ...
Read Article
For any given file, Write a Java program to find a line with maximum number of words in it is a very common interview question. In other words, write a Java program to find longest line from file.
In this tutorial we will go over all detailed ...
Read Article