Testing with Hoverfly and Java Part 4: Exact, Glob and Regex Matchers

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Previously we used Hoverfly among its state feature.So far our examples have been close to an absolute request match, thus on this blog we will focus on utilising the matchers.Having a good range of matchers is very important because most API interactions are dynamic and you can’t always...

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CompositeName size() method in Java with Examples

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The size() method of a javax.naming.CompositeName class is used to return the size of the composite name object which is equal to the number of components in this composite name.Syntax:public int size()Parameters: This method accepts nothing.Return value: This method returns nonnegative number of components in this composite name.Below...

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Java Program to Find Transpose of a Matrix

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A quick and practical guide to calculate the matrix transpose in java. Transpose of a given matrix is nothing but the changing the values and order.1. OverviewIn this article, you’ll learn how to find the transpose of a given matrix using a simple for loop.You can go thorough...

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Permutation – Heap’s Algorithm

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This is a little bit of experimentation that I did recently to figure out a reasonable code to get all possible permutations of a set of characters. So say given a set of characters “ABC”, my objective is to come up code which can spit out “ABC”, “ACB”, “BAC”,...

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Java Program to Print Multiplication Table For Given Number

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A quick example program to create multiplication table in java using simple for loop and while loops.1. OverviewIn this article, you’ll learn how to generate and print multiplication table in java for a given number.This can be done using for loop and while or do while loops.Knowledge on...

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Java Program to Bubble Sort(Sinking Sort)

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Bubble Sort in Java | Sinking Sort TechniqueBubble sort, sometimes referred to as sinking sort, is a simple sorting algorithm that repeatedly steps through the list to be sorted, compares each pair of adjacent items and swaps them if they are in the wrong order. The algorithm, which...

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How to create PDF File in Java – iText Example

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Generating PDF files in today’s enterprise applications is quite common. Doing this with Java is not an easy task as Java does not gives default api’s to handle PDF files. No worries, iText jar is for you. If you are not familiar,  iText is a free Java-PDF library...

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Memento Pattern

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Without violating encapsulation, capture and externalize an object’s internal state so that the object can be restored to this state later.ParticipantsMemento: stores internal state of the Originator object. The memento may store as much or as little of the originator’s internal state as necessary at its originator’s discretion....

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Java Based Akka application Part 2: Adding tests

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On the previous blog we focused on spinning up our first Akka project.Now it’s time to add a test for our codebase.First thing to get started is adding the right dependencies to the existing project.<dependencies>        <dependency>            <groupId>com.typesafe.akka</groupId>       ...

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Java Based Akka application Part 1: Your base Project

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Akka is a free, open-source toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications on the JVM. Along with Akka you have akka-streams  a module that makes the ingestion and processing of streams easy  and Alpakka, a Reactive Enterprise Integration library for Java and Scala,...

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