Java Programming Language

Java is a programming language written once and running anywhere and developed by Sun Microsystems. It’s similar to C and C++, but much simpler. You can combine Java with many technologies like Spring, Node js, Android, Hadoop, J2EE, etc. to create powerful, scalable, portable and distributed complete applications. It also encourages continuous integration and testing with tools like Selenium.

History of Java

Java was originally developed in the early 1990s by James Gosling and his colleagues at Sun Microsystems. It was originally called Project Oak, which had a similar implementation to C and C++. The name Java was then chosen after considerable brainstorming and was based on the name espresso bean. Java 1.0, the first version was published in 1995 with the slogan “write once, runwhere”. Sun Microsystems was later taken over by Oracle. From then on there was no turning back. The latest version of Java is Java 12 which was released in March 2019.

Functions

Java offers many interesting functions –

Platform independent language
A comprehensive standard library that makes coding easier. You can create complete stand-alone applications using Java.
It supports automatic memory allocation and release (called garbage collection).
Offers excellent performance as Java supports multithreading and concurrency, making it a highly interactive and responsive language.
Safe and easy
Interested in becoming a Java Programmer? Or perhaps you’d like to get certified as a Java programmer,

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When?

The expansion of the Java programming language is very extensive, as evidenced by the claim that 3 billion devices run it, which was demonstrated during the installation of Java. it provides a rich and extensive set of APIs to help programmers develop applications. With the help of Java we can develop different applications for different purposes. We can use Java technology to develop the following applications:

Mobile application development
Desktop GUI Application
Web-based application
Game apps
Big data technology
Distributed applications
Cloud based application
IoT Applications

Necessary For Your Company To Have A Mobile App

How Mobile App For Business Is Essential?
Today, more than one-third of the human population on earth is using smart devices like iPhone, Android Phone, or iPad. These statistics demonstrate how critical it is for every business to be mobile-friendly. Surveys said that more than 80% of the population in the world is using mobile and smart devices for internet access. Now, lesser people are using their traditional desktop or laptop computers for internet access and dependency on mobile devices becomes higher. It gives a bigger and growing market for mobile apps and so having your business on mobile app becomes utter important. It will offer valuable marketing opportunities for businesses that will help your target audience along with making a way for you to compete.

Giving You The Reasons To Have Mobile App For Your Business
1. Offering Better Value To Customers- Business means reciprocation, when you sell a product in the market, you will receive money as an exchange. The business needed strategies that keep the customers engaged and make them more interested in products and services so that they will offer money in exchange. For this purpose, you have to enhance the business interactions for better sales along with the offers to eth customers what they will receive nowhere else.

How That Will Work?- You can do that by starting a loyalty program in your app. So, more customers who will interact with your business get better offers on the products they already wanted. Many well-known brands around the world, offering reward points to their customers after buying the product or service in exchange. It will motivate the customers to interact through the app with you and enhance the entire transaction process.

2. Accessible To Various Platforms- When your business has a mobile app, then it will be easy to access with any of the online platforms. App development assists in making you reach the marketplace like Google Play Store, Blackberry, Apple App Store, or other marketplace using the social media websites. At the same time, using the apps one can also mail the information to the clients, send coupon codes, make announcements, and does the functionality evaluation as well.

How That Will Work?- One can reach your mobile app directly while searching the various social media websites. They can find you at the different play stores or platforms and gets the better offers all that with easy-to-access options.

3. Make You Transform Into A Stronger Brand- The best idea to have a mobile app for your business is that it makes more customers aware of your brand through communication. You can interact with the customers regularly and target the right audience by fostering trust. After creating trust between the customers, you can easily understand the sales pitches and make that committed to the brand. Through your mobile app, you can explain to the customers why they have to trust you and what makes you a brand.

Discord Clone Using React JS

The Discord in the market has been around for five years; It was initially designed for gamers but is available to all. With over 250 million users worldwide, this communication app has created quite a stir in the market. Despite the fierce competition, a new app like Discord that offers some unique and sought-after features could attract even more users and generate more revenue.

Yes, you read that correctly. You can even build an app similar to Discord in a matter of days, giving all the messaging apps a run for their money. If you wonder how to make an app like Discord with all the voice and text chat features, you have come to the right place.

What Is Discord App?
Game development company Hammer & Chisel created Discord. It was created with gamers in mind to make group voice communication in games more accessible. Released on 13th May 2015, this app allows users to communicate through video, voice, and text.

By creating a unique server, this app allows users to connect with people who share their interests. The main selling point of Discord is that the free servers have no limit on the number of users. It is not a problem to have thousands of simultaneous connections to the server. Discord support will move your server to a hardware-supporting server if you contact them.

Features of a VoIP Chat App Like Discord
This app has many features, and you can add more if you want your app to stand out. We’ve compiled a list of all the features you’ll need to build an app similar to Discord.

Discord communities are organized into discrete collections of channels called servers.
Media may be either used for voice chat and streaming, or instant messaging and file sharing.
Direct messages.
User profiles.
Video calls and streaming.
Digital distribution.
Developer tools.
Discord Clone App was something that everyone was anticipating. People were looking forward to this day because Discord is a popular app that would look good on a resume. The day had finally arrived, and the Clever Programmer team had launched a YouTube live stream. The written guide is now available.

Want To Develop An App Like Discord?
To create an app like Discord, you’ll need to plan and experience mobile app development. We’ll use Firebase for user authentication, storage, and hosting, among other things. Firebase is a fantastic tool for quickly getting your backend up and running. HTML, CSS, and Redux will also be used. The prerequisites for this Clone are listed below.

The Improvement of Versatile Applications

There are a few areas of interest in the improvement of versatile applications that the present portable application designers need to focus on. New advancements and old ones who are on their own feet, and with a spray of new programming dialects of 2021 has a ton available for you, for customers as well as for the engineers.

This is what you want to be aware of it.

1. Man-made consciousness and Machine Learning will keep on developing

Man-made brainpower is certifiably not another thing, and it will be utilized in an expanding number of businesses in the years to come. The International Data Corporation assessed that the AI market will reach $ 45 billion by 2022, IDC says that the overall spending on man-made brainpower and mental frameworks will reach $ 77.6 billion of every 2022!

2. Blockchain innovation is progressively being utilized

Throughout the course of recent years have seen the improvement of blockchain innovation, and this pattern is relied upon to go on in the years to come. The major monetary establishments and financial backers have benefited incredibly from this innovation, particularly with regards to their assets. Straightforwardness Market Research appraises that the blockchain innovation market will reach $ 20 billion by 2024. This implies that portable applications are turning out to be increasingly more being used in 2021 and, expected to increment at a later period.

3. A developing number of on-request applications

On-request applications are the ones that go about as go-betweens between specialist organizations and clients. In the realm of applications, it is turning out to be more intriguing in 2021, as an ever increasing number of suppliers will propose on-request applications in the commercial center. Uber and Taxify are a couple of the organizations that have as of late acquired a great deal of prominence, with on-request application administrations.

4. Chatbots Will Have A Wide Field Of Application

Ongoing patterns in portable applications, giving you that chatbots can possess a few lines of interchanges in the versatile application world. Part of the expanded reception of chatbots is because of the requirement for continuous connection between the clients and the providers. It is essential to remember that this innovation avoids the requirement for human-to-human collaboration.

Selenium Scripts For Performance Testing Using Jmeter

An open-source solution is provided by JMeter for load and performance testing. Apart from performance testing, it can also be used for functional testing. But, with more advanced technologies like HTML5, JS and CSS, more behavior and logic are pushed down the client.

The collection and execution of performance metrics can be automated by Selenium WebDriver. In this article, you will know how selenium scripts can be used for performance testing using JMeter.

What are selenium scripts?

User interaction is simulated through selenium-enabled scripts with a web page by using user behavior’s synthetic sequence, which in turn represents a test case that will include entering data in various fields. Various checkpoints in the interaction are provided with specified wait times and also selecting options.

Processing of these interactions is carried out in a runtime environment by using a widely deployed programming language such as Ruby, Python, PHP, Perl, JavaScript and C#.

Selenium-specific commands (representing browser/user web application interactions) are invoked through one of these programming environments in order to access a selenium runtime environment through which various browser environments interact on multiple OS platforms.

Selenium is an open-source, test automation tool that has become an important automation tool in the software quality assurance world.

What is performance testing?

It is a testing method where a software product’s capability and quality are analyzed. It is performed to scrutinize how a software application or product performs in a specific or varying workload.

The responsiveness, scalability, speed and stability of a software product or application are studied in this testing method. The quality of a software product is further improvised.

The objective of performance testing is to evaluate the command response times, workload efficiency, memory utilization, maximum concurrent users, network bandwidth usage, data transfer velocity, processing speed and application output.

What is JMeter?

The performance of both static and dynamic resources is tested through Apache JMeter. A heavy load can be simulated using JMeter on an object, network, server, group of servers in order to test its strength or to scrutinize the overall performance under different load types.

What Is MEAN Stack Technologies

Mean Stack alludes to a group of JavaScript technologies used to build web applications. Subsequently, from the user to the server and from server to data set, everything depends on JavaScript. MEAN is a full-stack improvement toolbox used to develop quick and powerful web applications.

MEAN is an easy-to-understand stack which is the best answer for building dynamic sites and applications. This free and open-source stack offers a speedy and coordinated technique for making quick models for web applications.

What is MongoDB?

MongoDB is an open-source, cross-stage data set that is written in C++. It stores information in the key-esteem pair, utilizing double information types like JSON. It is an archived NoSQL Database. An archive in MongoDB takes after an Object in OOPS

MongoDB is an ideal decision for a database framework where you want to oversee enormous measured tables with a large amount of data. Besides, including a field to MongoDB is simpler as it doesn’t need refreshing the whole table. With MongoDB you foster a whole application with only one application, for example, JavaScript.

What is Express.JS?

Express is a full-grown, versatile, lightweight server framework. It is intended for building single, multi-page, and a half and half web applications. This lightweight structure utilizes the Pug motor to offer help for formats.

Express is the accepted system for Nodejs and it draws substantial motivation from Sinatra, the well-known Ruby framework.

What is Angular JS?

Angular JS is an open-source JavaScript structure. Precise is kept up with by Google. The objective of this system is to present MVC(Model View Controller) design in the program-based application that makes the turn of events and testing process simpler. The structure assists you with making a more astute web application that upholds personalization.

AngularJS permits us to utilize HTML as a format language. In this way, you can stretch out the HTML syntax structure to communicate the parts of your application. Angular highlights like reliance infusion and data restricting kill a lot of code that you want to create.

What is Node JS?

Node.js permits engineers to make web servers and build web applications on it. It’s a server-side Javascript execution environment.

Node.js utilizes a non-impeding and occasion-driven I/O model. This makes it lightweight and effective, ideal for data intensified ongoing applications that stumble into conveyed gadgets.

Benefits of The Agile Development Methodology

In the software development field, no one is unaware of the term “Agile.” Since its foundation in 2001, the Agile manifesto is continuously evolving and become the very first choice for many project development teams.

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What is the Main Purpose of Agile Methodologies?

It is an iterative and cumulative technique of project management through which a team can keep up as per the demands of the modern workplace.

As per the 15th Annual State Of Agile Report | Digital.ai, 95% of 40,000 respondents stated that they are using agile methodology in their organization of which 61% of them used agile for more than 3 years.

Till now, agile software development is a crucial term in the software development family but why it is so important to approach to follow?

Therefore let’s have a look at some of the eye-opening stats of agile methodology:

In 2020, according to the 3rd Annual State of Agile Marketing Report, Agile Sherpas, “41% of marketers declared that they are currently using Agile and, of non-users, 42% marketers are planning to adopt it.”

KPMG Global Agile Survey 2019 revealed that more than 68% of companies state quicker product delivery as one of their fundamental drivers to go for agility.

Chris James (CEO of Scaled Agile, Inc.) mentioned in his welcome note in the Global SAFe Summit 2020, “93% of businesses who has fully-adopted agile methodology before pandemic doing far better than those who hadn’t opted it.”

Still, not sure about agile methodology?

No worries!

Now, let’s take a deep dive into the ocean of agile methodology to know about its benefits:

Customer Satisfaction

In the agile approach, the customer is involved everywhere in the project life-cycle when it comes to decision-making. So, it boosts customer retention.

Keeping the customer in the loop helps the development team to make the changes instantly as per the customer’s feedback or demand as well as it ensures that the final product completely fulfills the customer’s demand. Moreover, the customer thinks that the development team is valuing their opinions.

Ultimately, if the client is getting what they want, their satisfaction level increases and it also contributes to the long-term relationship with the client.

Flexibility

Unparalleled adaptability is one of the best outcomes of implementing Agile in the project team. As flexibility is the main theme of an agile team, so they are much more responsive to the last minutes’ changes as well without even having much disruption to the final product.

Agile teams divide the complete large project into small sprints which is manageable enough to make tweaks on very short notice. It is one of the most unmatched qualities of agile implementation in a dynamic organization.

What Does a Full Stack Developer Do

A Full Stack Developer is someone who works with the Back End – or server side – of the application as well as the Front End, or client side. Full Stack Developers have to have some skills in a wide variety of coding niches, from databases to graphic design and UI/UX management in order to do their job well. They are something of a swing, ready to assist wherever needed in the process.

A full stack engineer should have the capability in at least one frontend and at least one backend dialects. Program a program (like utilizing JavaScript, jQuery, Angular, or Vue) Program a server (like utilizing PHP, ASP, Python, or Node) Program a data set (like utilizing SQL, SQLite, or MongoDB).

Some of the responsibilities of a Full Stack Developer include:

Helping with the design and development of software
Testing and debugging software to keep it optimized
Writing clean code for the front and back end of the software
Designing user interactions on the web application itself
Creating servers and databases for the back end of the software
Ensuring cross-platform compatibility and optimization
Testing and maintaining the responsive design of applications
Working with graphic designers to design new features
Developing APIs and RESTful services
Keeping up with technological advances to optimize their software
Communicating effectiveness of emerging technologies to decision makers
Considering security, maintenance, scalability, and more when developing
It depends on the size and scalability of the software. If they are even smaller, they may have one full stack developer that handles the entire application. On the other hand, a large web application with strong potential for scaling will require a lot of hands at the end of the deck, the front end, and the developer of the stack full.

Major Beta Testing Challenges Faced by Testers

Beta testing is an important testing type that ensures a product’s robustness from a user’s viewpoint. Conducting beta testing has its challenges, but, how those challenges are being structurally solved needs to be pondered upon by the concerned teams.

Companies need to set a proper workable strategy for conducting beta testing successfully. In this article, you will get to know about the beta testing challenges faced by testers.

It is a testing method where users (also known as ‘beta testers’) will test the product and validate it on the basis of compatibility, reliability, usability, and functionality.

Generally, a beta version of a product is tested. The feedback is obtained by the beta testers and then if need be required, the necessary modifications or changes are carried out in order to further improve the quality of the software product.

1. The number of users who participate in testing: High-level participation from beta testers is a key challenge that needs to be worked upon strategically. As per research, around 70% or more beta testers will not provide adequate feedback through which product performance analysis cannot be done in-depth.

This in turn leads to time being wasted. The concerned development and testing teams must ensure that the participants should be engaged throughout the test.

2. Resources need to be properly scrutinized: The testing may happen during hectic times. The launch date is looming, every loose end is being closed by the product development team and thus there might be instances where a proper beta test environment is not being set up.

There might also be instances where the key professionals responsible for conducting beta tests may not have the necessary skills to conduct the test in a productive manner.

A comprehensive beta test plan needs to be developed, which will, in turn, determine what are the specific resources required for conducting the test in a successful manner.

3. Gathering valuable feedback: The entire feedback received may not be of worth. Users may provide feedback that might be irrelevant from a product quality point of view.

Valuable feedback means that which directly impacts the quality of the product or specific information that meets the goal of the beta test. Testers must be encouraged constantly so that they are able to build meaningful feedback.