2021-02-10 08:00
We often hear that agile is a mindset. That we need to change our thinking to use agility. Is that correct? That you need to change how you think first, before anything else? I can think I c… Read More
Blog Directory > Software Blogs > Programming Blogs > Java Code Geeks programming Blog >
Java Code Geeks Blog
javacodegeeks.com
Java 2 Java developers resource center, Java tutorials, Java news, Java How-To and more
2021-02-10 05:00
Previously we used the XML and Xpath Hoverfly matchers. On this blog we shall focus on rules that assist us with the data exchanged using Json. The default Json matcher will compare the Json… Read More
2021-02-09 08:00
Last time we looked at architecture metrics. We stated then that the data required for calculating these metrics could come from a variety of sources. However, we all know that information a… Read More
2021-02-09 05:00
Selenium has always been a first choice for automation developers to automate their web application. Locating dynamic web elements have historically been dolorous for automation testers whic… Read More
2021-02-08 07:00
Amp Up Your Programming & Managing Skills Set with 27 Hours of Content on Leading Coding Languages and Project Management Practices Hey fellow geeks, This week, on our JCG Deals store, w… Read More
2021-02-08 05:00
Field Testing and Its Importance Field testing is a critical step in the last phase of mobile testing. After all regression tests pass, testers would go into the real environment to verify a… Read More
2021-02-07 13:15
Mobile testing involves spotting bugs in a mobile application and fixing them – ranging from identifying sign-up issues, breaking in the payment process, or finding glitches in navigat… Read More
2021-02-06 13:15
A quick guide to write a java program print Fibonacci series and find the nth Fibonacci number using recursive optimized using dynamic programming. 1. Overview In this article, we will learn… Read More
2021-02-05 08:00
1. Overview In this tutorial, We’ll learn how to convert the List to Map in Kotlin programming. Let us explore the different ways to do it. 1. Overview In this tutorial, We’ll le… Read More
2021-02-05 05:00
A quick guide to understand the differences between the TreeMap and HashMap with examples. 1. Overview In this tutorial, We will learn the core differences between TreeMap and HashMap classe… Read More
2021-02-04 08:00
For the record, there are a few words I avoid using if I can. Should: “we should feed the starving millions”, “we should create world peace.” Should is useless. It is… Read More
2021-02-04 05:00
Today, the gaming industry is getting better day by day with the latest tools and technology. Video games are not only popular among children, and even elders play video games with great ent… Read More
2021-02-03 08:00
Since the inception of the Project Jigsaw, one of its goals was to encapsulate most of the JDK internal APIs in order to give the contributors a freedom to move Java forward at faster pace… Read More
2021-02-03 05:00
Java is usually the first choice when it comes to enterprise projects. It is rightfully so, considering its stability and security. Yet, finding a good Java developer is not an easy ta… Read More
2021-02-02 08:00
Java 15 was released on the 15th of September 2020 and has promised to bring with it a few performance tweaks in its G1GC and ParallelGC garbage collectors. What does it mean for OptaPlanner… Read More
2021-02-02 05:00
When I think about agile approaches to work, I think about how fast we can change and the cost of those changes. We can change the next decisions about the work because we finish the current… Read More
2021-02-01 07:00
Welcome the New Year with a Better Version of Yourself! This Bundle Gives You 20 Hours of Content on Interview Skills, Speed Reading, Resumé Building, & More Hey fellow geeks, Thi… Read More
2021-02-01 05:00
The larger the code change, the harder it is to review. So what happens when we’re doing a code migration? Technically there’s a huge set of changes to make to get the code from… Read More
2021-01-31 13:15
If you write tests badly, you end up with a Curdled Test Fixture, where there’s an unholy mess of unrelated tests in the same class. At Interview A great job interview question is to a… Read More
2021-01-30 13:15
Orienting to value – every team, every person does it differently. How you orient to value limits how much value you can create. People with a naive orientation can only sc… Read More
2021-01-29 08:00
Build 3 of JDK 17 Early Access Builds includes the implementation for JDK-8251989 (“Hex formatting and parsing utility”). This newly introduced functionality for parsing and form… Read More
2021-01-29 05:00
In the upcoming Apache Camel 3.8 release we have a new Camel component to integrate with Java Flight Recorder. Camel is now capable of capturing “work steps” during startup that… Read More
2021-01-28 08:00
A Java stream represents potentially an infinite sequence of data. This is a simple post that will go into the mechanics involved in generating a simple stream of Fibonacci numbers. The simp… Read More
2021-01-28 05:00
Websites being the primary source of communication in the digital transformation world, have evolved humongously since the last decade. Web development has grown at a tremendous pace with lo… Read More
2021-01-27 08:00
We live in an age where more than 5 lakh websites are created daily. As of today there are nearly 4 million websites in the world out of which only 1.5 million are active. What about the res… Read More
2021-01-27 05:00
The Speed at which Technologies and companies are growing today are quite unfathomable. We have come a long way from the digital age of the 1970s to the information age of the 21st century i… Read More
2021-01-26 08:00
Selenium 4 has been gaining immense attention since the time it was publicly announced by Simon Stewart, the founding member of Selenium in August 2018. Though there are no updates on the of… Read More
2021-01-26 05:00
In today’s new release of System Stubs there’s increased documentation for testing logging output, as well as a new class – MultiplexOutput which allows the tapped output s… Read More
2021-01-25 07:00
Be a Pro at Handling Projects & Deliver Efficient Results with 22 Courses on Six Sigma, Agile, Jira, and Other Project Management Fundamentals Hey fellow geeks, This week, on our JCG Dea… Read More
2021-01-25 05:00
Selenium 4, the latest version of the Selenium framework, has become the talk of the town since its announcement in 2018. The excitement around Selenium 4 is evident since it is packed with… Read More
2021-01-24 13:15
Just because you can make a variable a long-term property of a test fixture doesn’t mean you should. This is the Everything is a Property test smell. It may be seen in languages such a… Read More
2021-01-23 13:15
If you’ve never done it, go out and find an open-source project to contribute to. Whether it’s one of your own or something you use, go and try writing code in the wide open to s… Read More
2021-01-22 08:00
Last time we saw how major tech projects continue to be difficult to schedule. One thing that can keep momentum going for a long-running initiative is the appropriate use of metrics. Improvi… Read More
2021-01-22 05:00
In previous posts we learned how to update/replace resources using the HTTP PUT operation. We also learned about the differences between POST, PUT and PATCH. In this post we will now see how… Read More
2021-01-21 08:00
1) Register MockitoExtension @ExtendWith(MockitoExtension.class) class ObjectTest { static final Long ID = 1L; 2) Create the mock @Mock private ObjectRepo mockRepo; 3) Inject the mock @Injec… Read More
2021-01-21 05:00
Spring supports three types of dependency injections: Constructor injection @Component public class SecondBeanImpl implements SecondBean { private FirstBean firstBean; @Autowired public Seco… Read More
2021-01-20 08:00
Hello in this tutorial, we will understand the join() method in python programming. 1. Introduction The join() method in python programming joins different elements and return a combined str… Read More
2021-01-20 05:00
In an earlier post on migration, I looked at different ways to take a codebase and convert it for a new architecture. The methods work best when the language is being kept the same, though t… Read More
2021-01-19 08:00
One of my more popular posts on this site is on how to use Mockito to mock logging. Testing that the logged output is as expected seems to be on the cusp of a good/bad idea. Is the logged ou… Read More
2021-01-19 05:00
1. Overview In this tutorial, We will learn how to convert the String value to Float in Kotlin. This conversion is done using toFloat() method of String class. But there are many cases where… Read More
2021-01-18 07:00
14 New Courses & 39 Hours of Content on JavaScript, HTML5, CSS, & More — Master the Coding Fundamentals and Kickstart Your Career as a Web Developer Hey fellow geeks, This week… Read More
2021-01-18 05:00
1. Overview In this tutorial, We will learn how to create the variables in Koltin for basic types using var. var is a keyword in kotlin which is used todeclare the any type of variable. Kotl… Read More
2021-01-17 13:15
1. Overview In this tutorial, We will learn how to convert the Map to List in kotlin programming. Map implementations such as HashMap or TreeMap can be converted into an ArrayList or List ob… Read More
2021-01-16 13:15
In this quick tutorial, we will see, how to get current date time using Java 8. Java 8 had come up with new set of classes for date and time under java.time package, which are: –… Read More
2021-01-15 08:00
In Java, it is possible to define a class within another class. Class defined within another Class is called a Nested Class. Nested class is treated as a member of the Outer class because it… Read More
2021-01-15 05:00
Almost a decade ago, I started running Lucene’s nightly benchmarks, and have been trying with mixed success to keep them running every night, through the numerous amazing changes relen… Read More
2021-01-14 08:00
Content-Security-Policy is important for web security. Yet, it’s not mainstream yet, it’s syntax is hard, it’s rather prohibitive and tools rarely have flexible suppor… Read More
2021-01-14 05:00
With the release of the Spring Cloud 2020.0.0 (aka Ilford) release train we’re more than happy to announce the general availability of Spring Cloud Sleuth 3.0.0. In this blog post I&rs&hell…Read More
2021-01-13 08:00
Hello in this tutorial, we will understand the string comparison in python programming. 1. Introduction String in python language is immutable datatypes and compared with == or != operators… Read More
2021-01-13 05:00
Let’s cut to the chase. Where possible, create scripts and ideally full automation to perform data extraction for the purposes of acceptance testing. While you may think you can get aw… Read More
2021-01-12 08:00
Hello Friends, In this tutorial, we will discuss Builder design pattern. Key topics we are going to discuss are : – Which category Builder Design Pattern falls in ? – What proble… Read More
2021-01-12 05:00
I have immersed myself in the digital identity space for the past few years. A good chunk of this work involves reading (and sometimes creating) specifications, as you can imagine. It is cri… Read More
2021-01-11 07:00
This Ultimate Life-Hack Bundle Helps You Level Up with 9 Hours of Content on Productivity, Life Skills & Leadership Management Hey fellow geeks, This week, on our JCG Deals store, we hav… Read More
2021-01-11 05:00
Jmix is the new name and the new major release of CUBA Platform. It is now in Preview and we are aiming to release Stable version in Q2 2021. Key features: Spring Boot as a core technology D… Read More
2021-01-10 13:15
Geertjan Wielenga has posted “Java Predictions for 2021” on Foojay Today. It is a collection of predictions about Java in 2021 from eight members of the Java community (Almas Bai… Read More
2021-01-09 13:15
In this post, we are going to create a Jenkins pipeline for a Java Spring project using Maven and Git: Accessing Jenkins dashboard and configuring Maven in Jenkins: Click on “Manage Je… Read More
2021-01-08 08:00
With the release of the Spring Cloud 2020.0.0 (aka Ilford) release train we’re more than happy to announce the general availability of Spring Cloud Contract 3.0.0. In this blog post I… Read More
2021-01-08 05:00
Releasing often is a good thing. It’s cool, and helps us deliver new functionality quickly, but I want to share one positive side-effect – it helps with analyzing production perf… Read More
2021-01-07 08:00
I’ve created an example how to implement an undo feature in a Quarkus application that uses a Neo4J database. From a user perspective, an undo action might look little spectacular, but… Read More
2021-01-07 05:00
Software modernization is a necessary step to staying ahead in any industry. It can improve performance and prevent unexpected lapses in security and productivity. Application modernization… Read More
2021-01-06 08:00
1. Introduction In this part of the tutorial we are going to continue our journey to learn more about the GraalVM project, focusing specifically on the integration with the JVM platform. In… Read More
2021-01-06 05:00
Machine learning is recognizing increased use across industries for various reasons. It helps to gather vast amounts of data. Especially in healthcare, Machine Learning has commenced to comp… Read More
2021-01-05 08:00
Software testing is making many moves. From AI to ML, it is continually innovating and advancing with the shifting technology landscape. Also, the software testing market is growing rapidly… Read More
2021-01-05 05:00
It is no secret that the website is the backbone of every business. If you want your business to be successful in this COVID-19 era, you’ve got to have a well-designed website. As, due… Read More
2021-01-04 07:00
Amp Up Your Productivity & Brand Visibility with 35 Hours of Content on GSuite, Google Ads, Analytics, and Other Amazing Apps Hey fellow geeks, This week, on our JCG Deals store, we have… Read More
2021-01-04 05:00
We all know that a lot of web traffic worldwide came from mobile devices these days. But have you ever wondered exactly what percentage of it is coming from mobile? Well, mobile devices acco… Read More
2021-01-03 13:15
CI/CD pipelines have become the mainstream approach to software development across the entire IT sector. There’s no doubt that CI/CD pipeline tools have matured a lot over the years. Y… Read More
2021-01-02 13:15
Let’s be honest, no good ever came out of a null boolean value! However, it’s common for boolean to prove not quite good enough to represent what’s going on. This is where… Read More
2021-01-01 05:00
One of the main reasons I blog is to remind myself how easily one can use software development techniques to make bad decisions. I do it myself all the time… In a recent project, I wa… Read More
2020-12-31 08:00
Consider the following fictitious test fixture code: beforeEach(() => { databaseConnection = openDatabase(); inputFile = loadBigFile(); userList = loadUserList(); imageData = loadImageByt… Read More
2020-12-31 05:00
Groovy has been around on the Java scene since 2003. With over a decade’s worth of history, development and experience, it is a Java syntax compatible object oriented programming langu… Read More
2020-12-30 08:00
I’ve been working with teams that feel a ton of pressure. On top of the pressure, a senior manager says these words: “Failure is not an option.” When managers sa… Read More
2020-12-30 05:00
Several of my clients have intertwined problems. Everyone agrees they want innovation: Which products and services the organization offers. (The project portfolio)What features the product o… Read More
2020-12-29 08:00
Previously we worked with some of the existing Hoverfly matchers like the regex, glob and exact. Each one serves its purpose but we might want some rules that assist us with the format of th… Read More
2020-12-29 05:00
There are many authentication mechanisms (basic, digest, form, X.509, etc), and there are many storage options for credentials and authority information (in-memory, database, LDAP, etc). Aut… Read More
2020-12-28 07:00
Be a Microsoft Power User & Amp Up Your Productivity in All Aspects with 74 Hours of Content on Excel, VBA, Publisher, Word, Visio, and More Hey fellow geeks, This week, on our JCG Deals… Read More
2020-12-28 05:00
The Apache Camel 3.7 was released some days ago. This is a LTS release which means we will provide patch releases for one year. The next planned LTS release is 3.10 scheduled towards summer… Read More
2020-12-27 13:15
Jakarta MVC 2.0 passed the release review ballot and is now ratified as a final specification according to the Jakarta EE Specification Process (JESP). The last steps for the project team af… Read More
2020-12-26 13:15
As Java functional streams have become increasingly popular, an increasing number of requests is being made for new stream operations to be supported. Amidst these requests for numerous disp… Read More
2020-12-25 05:00
Java’s String.repeat(int) method is an example of a “small” addition to Java (introduced with JDK 11) that I find myself frequently using and appreciating. This post descri… Read More
2020-12-24 08:00
Yes, I know this title sounds stupid, but could not find something that fits better. So let me explain why I think that links in HATEOAS APIs are not always that useful. If you don’t k… Read More
2020-12-24 05:00
How to copy a file in small portions into a target file? Let’s talk about the why? When you copy large files, you want to ensure that you are copying it piece by piece to avoid out-of… Read More
2020-12-23 08:00
Although not-null, immutable variables with sensible defaults are often desired, it is not always the case. It is sometimes required to check if multiple variables are not null. This post de… Read More
2020-12-23 05:00
Part of our everyday ci/cd tasks involve using containers in order for the tests to take effect.So what if you could control the containers you use through your tests and serve your scenario… Read More
2020-12-22 08:00
I have previously blogged about the optimizations we are doing in the Apache Camel core. The first 3 blogs (part1, part2, part3) were a while back leading up to the 3.4 LTS release… Read More
2020-12-22 05:00
This write-up is partly inspired by a recent post by Vlad Mihalcea on LinkedIn about the recently introduced text blocks in Java. More about them can be read here. Now, that’s a nice f… Read More
2020-12-21 07:00
Discover the True Power of the Internet By Building 25 Websites & Mobile Apps with Popular Instructor, Rob Percival! Hey fellow geeks, This week, on our JCG Deals store, we have another… Read More
2020-12-21 05:00
In an earlier video, I shared how to run the Quarkus remote-dev mode in Docker containers, which is very helpful for local and remote development environments. Since Quarkus version 1.6, how… Read More
2020-12-20 13:15
“Its always a people problem.” Gerry Weinberg, The Secrets of Consulting, 1985 The great, unspoken, divide in agile is between those who believe the individual is all powerful an… Read More
2020-12-19 13:00
A quick guide to get the current date time in milliseconds using Date, Calendar and java 8 api classes. 1. Overview In this tutorial, We’ll learn how to get the time in milliseconds in… Read More
2020-12-18 08:00
A quick guide to check the string is palindrome or not using recursion in java. 1. Overview In this tutorial, We’ll learn how to check the string is palindrome using Recursive function… Read More
2020-12-18 05:00
A quick guide to convert between LocalDate and java.sql.Date objects in java 8 with examples. 1. Overview In this tutorial, We’ll learn how to convert java.time.LocalDate to java.sql D… Read More
2020-12-17 08:00
Hello in this tutorial, we will explain how to set the intersection method in python programming. 1. Introduction The intersection() method in python programming returns a set containing com… Read More
2020-12-17 05:00
Hello in this tutorial, we will see and understand the differences between List vs Tuples in Python programming. 1. Introduction List and Tuple in python programming are used to store the da… Read More
2020-12-16 08:00
Hello in this tutorial, we will see how to print without a newline in python programming. 1. Introduction Printing or logging is the most common thing in any programming language and it is o… Read More
2020-12-16 05:00
Hello in this tutorial, we will understand inheritance in python programming. 1. Introduction Inheritance is an important concept in any programming language. It provides code reusability as… Read More
2020-12-15 08:00
I watched (COVID19-era version of “attended”) the latest spark Summit and in one of the keynotes Reynold Xin from Databricks, presented the following two images comparing spark u… Read More
2020-12-15 05:00
According to Grandview Research, the mobile application industry is rapidly growing on a day-to-day basis and expected to reach USD 170.52 billion in 2020. Along with this growth, mobile tes… Read More
2020-12-14 07:00
Double Down & Get Two 10TB Lifetime Subscriptions for an Unbeatable Price! Never Risk of Losing Your Photos and Files Again Hey fellow geeks, This week, on our JCG Deals store, we have a… Read More
2020-12-14 05:00
Representational state transfer (REST) is an architectural style that describes best practices to expose web services over HTTP, emphasizing performance, scalability, simplicity, modifiabili… Read More
Subscribe to Java Code Geeks
Get updates delivered right to your inbox!