Java Ideas That Can Impress Your Team Leaders.

A PC program takes care of an issue. To begin with, you have to locate the most productive and successful answer for your issues. Anyone can compose code of java. Truly, that is valid. These days, anyone can compose code, yet the champ is the person who composes the most productive code.java training in chennai

Focus on the minor points of interest.

This is the most critical administer in my book. This is the establishment in which every single other lead ought to comply with. In the event that you fail to understand the situation, everything else from here is totally WRONG! What’s more, there is no real way to settle it.

I have seen numerous super shrewd and skilled Java developers compose exceptionally fresh and clean code and they’ve done it extremely quick. However, now and again they miss minor points of interest in the necessities. These minor points of interest can be applying designing on a field, approving a date field for legitimate info or organizing a table or textual style on the page. In the event that I were your Java Project Manager or Lead, I would not be content with you in the event that you neglect to focus on these minor subtle elements,. I don’t prefer to rehash work and once more.

Realize totally new possibilities.

On the off chance that you have been working with a more seasoned variant of an item and a more up to date form was as of late presented, ensure you comprehend what new highlights were added to the most recent rendition. Don’t simply stay with what you have been doing previously. Continuously keep your ears and eyes open to new things. For instance, in the event that you have been working with Java and you’ve just now gottena opportunity to work with Java, you should comprehend what new highlights are there and how you can exploit these new highlights. This may enhance your efficiency, as well as give you something new to add to your belt. Additionally, keep in mind to search for new highlights added to the item. For instance, in the event that you have been working with Visual Studio 2005 and now are utilizing Visual Studio 2010, there are numerous new highlights accessible in this form will enhance your proficiency and profitability.

Reevaluate before you convey.

One of my negative behavior patterns isn’t assessing my work. Indeed, even after I compose an article, I would rather not audit it. In any case, that is OK. I can do that since I don’t have a supervisor. In any case, on the off chance that you do have a manager, that is bad for you. You should make a point to survey it before you convey it and perceive how you can enhance it.java training in chennai

Do peer code surveys.

Four eyes may see a greater number of things than two. You audit your associate’s code and request that your colleague survey your code. As a matter of fact, this ought to be a best practice actualized by your Project Manager.java training in chennai

Client Testing instruments to test your code.

Do you simply accept that your code is 100% right? Compose legitimate experiments and ensure they don’t come up short. Visual Studio accompanies testing instruments. You can likewise utilize free devices, for example, NUnit.

Offer

One thing I’ve seen among innocent engineers is that they generally think they have discovered a mystery arrangement that no one thinks about and it makes them more significant to the organization. Off-base! Truly, organizations are searching for work force who can figure out the code, yet above everything, they generally search for authority abilities and cooperative individuals. Both of these abilities include sharing your work. Offer and learn. This has dependably been my reasoning. The more you share, the more you learn.java training in chennai

What are some tricks to learn Java ?

Java isn’t to be mistaken for JavaScript; it has been worked as a Write once, run anyplace dialect – which in basic specialized terms implies that it can be keep running on basically any gadget that there is.

What is Java Programming Language?

We interface with Java on consistent schedule, regardless of whether we recognize that reality or not, and on numerous events – a site may reveal to us that we have to introduce Java to peruse it; this goes a ton for sites that are streak subordinate and have some sort of glimmer parts incorporated inside the center framework.

Java is additionally one of those projects that you more often than not download straight away, after a buy of another PC – I’m not exactly beyond any doubt whether anybody ships Java as a default program inside the working framework. Its history with security issues isn’t a standout amongst the loveliest, however generally it has made the dialect as develop as it may be.

From workstations to datacenters, amusement consoles to logical supercomputers, mobile phones to the Internet, Java is all over the place!

• 97% of Enterprise Desktops Run Java

• 89% of Desktops (or Computers) in the U.S. Run Java

• 9 Million Java Developers Worldwide

• #1 Choice for Developers

• #1 Development Platform

• 3 Billion Mobile Phones Run Java

• 100% of Blu-beam Disk Players Ship with Java

• 5 Billion Java Cards being used

• 125 million TV gadgets run Java

• 5 of the Top 5 Original Equipment Manufacturers Ship Java ME

As should be obvious with the above measurements, the Java programming dialect is extremely looked for after, and there is certainly a major market for it.

Compensation for Java Programmers

I’d love to quickly touch the subject of Java compensations, and the amount you’re ready to procure – inside a sensible measure of time – by turning into a full-time Java engineer.

This is a worldwide compensation report, not indicated by any area. It’s generally around the $85,000 check – which is still, a high compensation, considering you’re ready to learn and pick up the dialect at for nothing out of pocket. Because of that, let’s get them to our rundown of assets that can enable us to learn Java inside a short couple of weeks.

Amazon Web Services Training

Should we trust AWS?

The most evident path is through encryption, both while the information is in travel and keeping in mind that it is “very still” on the cloud servers, clarifies Ian Massingham, Amazon Web Services’ (AWS) boss evangelist for Europe, Middle East and Africa.

AWS, by a long shot the greatest open cloud stage supplier with more than a million dynamic clients a month, has more than 1,800 security controls overseeing its administrations, says Clients can control their own encryption keys in the event that they wish, he says, and additionally set the tenets for who can and can’t get to the information or applications.

“A large portion of our security advancement originates from client request,” he says, “so the bar for security gets tightened up without fail.”In any case, we’re not the proprietors or overseers of the information – we simply supply the assets,” he says. “We don’t control how the information is secured, clients do.”

It says a considerable measure that online retailer Amazon is upbeat to maintain its whole business all alone cloud stage.

What other security strategies do they utilize?

Check Crosbie, worldwide head of trust and security for Dropbox, the cloud record stockpiling and cooperation organization, says the way information is scrambled can likewise build the level of security.

“We split every datum document into pieces – a procedure called sharding,” he says, “and these lumps are then independently scrambled and put away in better places, so on the off chance that somebody managed to soften up and decode the information they’d just access irregular squares.”

Aaron Levie, CEO of cloud match Box, says: “Rather than sending the records, Box sends a connection to the document – you can see the substance without really downloading the information. Our product was intended to convey a significantly more secure method for sharing substance.”Amazon Web Services’ (AWS)”

Dropbox additionally urges organizations to utilize two-factor confirmation – passwords supplemented by a one-time code created by an alternate gadget, for example, a cell phone or coxcomb.

“The awful folks dependably focus on the secret word – individuals are as yet the weakest connection,” says Mr Crosbie.

So is information really more secure in the cloud?

All things considered, that relies upon the nature of your AWS supplier contrasted with that of your own IT division.

The greater part of the real information breaks that have occurred throughout the most recent five years, from Sony to Ashley Madison, TalkTalk to Target, have been from inward, not cloud-based, databases, says Amichai Shulman, boss innovation officer of cybersecurity firm, Imperva.

However, he includes: “There is dependably an innate danger that regulatory staff working for a cloud supplier could get to your machines or information from inside – that is a business hazard you are taking.”

This is the reason the real cloud suppliers give clients the alternative to deal with their own particular encryption keys, which means nobody inside the supplier could get to regardless of whether they needed to.

What’s more, a few organizations are presently embracing a “half and half” approach – keeping their more touchy information in a private cloud and other information and applications in people in general cloud.”Amazon Web Services’ (AWS)”

 

Amazon Web Services Training in Bangalore

Should we trust AWS?

The most evident path is through encryption, both while the information is in travel and keeping in mind that it is “very still” on the cloud servers, clarifies Ian Massingham, Amazon Web Services’ (AWS) boss evangelist for Europe, Middle East and Africa.

AWS, by a long shot the greatest open cloud stage supplier with more than a million dynamic clients a month, has more than 1,800 security controls overseeing its administrations, says

Clients can control their own encryption keys in the event that they wish, he says, and additionally set the tenets for who can and can’t get to the information or applications.

“A large portion of our security advancement originates from client request,” he says, “so the bar for security gets tightened up without fail.”In any case, we’re not the proprietors or overseers of the information – we simply supply the assets,” he says. “We don’t control how the information is secured, clients do.”It says a considerable measure that online retailer Amazon is upbeat to maintain its whole business all alone cloud stage.

 

What other security strategies do they utilize?

Check Crosbie, worldwide head of trust and security for Dropbox, the cloud record stockpiling and cooperation organization, says the way information is scrambled can likewise build the level of security.

“We split every datum document into pieces – a procedure called sharding,” he says, “and these lumps are then independently scrambled and put away in better places, so on the off chance that somebody managed to soften up and decode the information they’d just access irregular squares.”

Aaron Levie, CEO of cloud match Box, says: “Rather than sending the records, Box sends a connection to the document – you can see the substance without really downloading the information. Our product was intended to convey a significantly more secure method for sharing substance.”

Dropbox additionally urges organizations to utilize two-factor confirmation – passwords supplemented by a one-time code created by an alternate gadget, for example, a cell phone or coxcomb.”The awful folks dependably focus on the secret word – individuals are as yet the weakest connection,” says Mr Crosbie.

So is information really more secure in the cloud?

All things considered, that relies upon the nature of your AWS supplier contrasted with that of your own IT division.The greater part of the real information breaks that have occurred throughout the most recent five years, from Sony to Ashley Madison, TalkTalk to Target, have been from inward, not cloud-based, databases, says Amichai Shulman, boss innovation officer of cybersecurity firm, Imperva.

However, he includes: “There is dependably an innate danger that regulatory staff working for a cloud supplier could get to your machines or information from inside – that is a business hazard you are taking.”

This is the reason the real cloud suppliers give clients the alternative to deal with their own particular encryption keys, which means nobody inside the supplier could get to regardless of whether they needed to.

What’s more, a few organizations are presently embracing a “half and half” approach – keeping their more touchy information in a private cloud and other information and applications in people in general cloud.

AWS Training in Bangalore and Chennai

Why is AWS beating Google, Microsoft and IBM?

Amazon “keeps on being the idea pioneer and the reference point for all contenders, with a quickening pace of development over an officially rich arrangement of administrations,” Gartner experts composed, including that AWS is the most develop benefit in the part and has the most profound specialized slashes.

Gartner additionally offered motivations to be careful about every merchant and for Amazon that is the truth that its arrangement of cloud administrations is so broad it requests a specific level of ability and recognition just to execute the administrations. Another issue to pay special mind to is Amazon’s entangled valuing structure and constrained administration level understandings.

Microsoft’s Azure, in the interim, is the thing that Gartner named an expansive and skilled stage, over which the product goliath is rapidly including inventive new highlights and functionalities, as opposed to following what contenders do. The examiners additionally noticed that Microsoft’s current work with accomplices and its grip of Linux and other open source advances denotes “an essential and positive key move.”AWS Training in Bangalore

Among the cons are issues that clients have detailed with documentation, technical support and preparing. The investigators likewise advised healing centers to consider Azure’s inadequate usefulness and misty direction about which administration to use for particular purposes.

While Amazon and Microsoft are in the best quadrant, Google and IBM, alongside Alibaba Cloud and Oracle, arrived in the purported visionaries box, which means their thoughts are strong however they don’t execute and in addition the pioneers.

Google positioned “a far off third” as far as piece of the overall industry, as indicated by Gartner. Be that as it may, its qualities incorporate putting up imaginative in-house advances for sale to the public, its Customer Reliability Engineering program, the organization’s proceeding with push to be more open, for example, its open source Kubernetes bunch administration programming.

The “profound rebates and outstandingly adaptable contracts,” which Gartner said Google uses to bait clients from Amazon and Microsoft, are additionally among Google’s qualities.

All things considered, Google’s verifiable spotlight on cloud-local applications and DevOps have brought about highlights and administrations that are not as wide as those of Amazon and Microsoft for big business clients. Google as of late started working out its accomplice biological system, including more capacities and inking association, Gartner noted, however it will set aside time for those to show in the open market.

Coming in at fourth place, IBM is at present setting up its Next-Generation Infrastructure (NGI), in any case, and Gartner anticipated that “is probably going to enable IBM to advance past its present status as a facilitating scale supplier, making it more feasible for IBM to coordinate the cost financial matters of the market pioneers.”

Huge Blue has different qualities today that clinics considering IaaS should think about, including its server farm outsourcing business, designer biological system and its SoftLayer engineering.

The tech stalwart’s cons incorporate an absence of critical changes to the SoftLayer engineering since IBM procured it in 2013, an incoherent cloud that does exclude low-dormancy arrange setting or bound together security, Gartner stated, and the way that IBM has not yet dedicated to a conveyance date for NGI.

for more information visit: AWS Training in bangalore | AWS Training in Chennai

 

Amazone Training

Amazon’s:

Amazon’s ability to turn a profit from the razor-thin world of online retail was once uncertain. The company, which decided to invest heavily in once-unorthodox areas like streaming video, hardware, and shipping networks, had to spend years convincing Wall Street that its plans would, eventually, bear fruit. During that time, Amazon struggled through occasionally harsh losses, while its cloud computing division grew steadily in the background but still struggled to make up the difference Amazone Training in Chennai

Investors don’t doubt the company quite so often anymore; this past quarter was Amazon’s seventh consecutive quarterly profit. But Amazon continues to ratchet up the spending, especially in areas like shipping, logistics, and fulfillment. Earlier this week, reports shed light on Amazon’s plans for a $1.5 billion air cargo hub in Kentucky for its more than 40 Prime Air planes.

These costs, among others, contributed to a bit of investor disappointment today, when the company’s revenue for the period between October and December of last year came in slightly under Wall Street expectations Amazone Training in Chennai. Profit, on the other hand, was far higher than expected, indicating that Amazon’s investments in the types of industries that could cut its retail and shipping costs may be paying off after all.

The company’s fiscal fourth-quarter earnings for 2016, posted this afternoon, show a profit of $749 million, or $1.54 per share, on revenue of $43.7 billion. Both figures are substantially up from the same period last year, with sales increasing 22 percent and profit jumping 55 percent. However, analysts were expecting about $44.7 billion for Amazon’s holiday quarter. On profit, the company handily beat expectations of $1.35 per share. The disparity between expectations and reality for Amazon’s revenue caused its stock to slip by about 4 percent in after-hours trading.

The star of show, as has been the case for many quarters now, is Amazon Web Services. The company’s cloud computing division is its fastest growing profit driver, and AWS operating income for this past quarter increased by 60 percent to $926 million, from $580 million. The division, which rents out server capacity and hosts online operations for companies as large as Netflix and Spotify, earned $3.5 billion, up 46 percent from the same period last year. For each quarter in the last fiscal last year, AWS has earned more profit than Amazon’s entire North American retail division.

CEO Jeff Bezos, in prepared remarks, decided to focus on Prime, which the company says added tens of millions of new paid members in the past year. “Prime members can now choose from over 50 million items with free two-day shipping — up 73% since 2015. Prime Video is now available in more than 200 countries and territories,” Bezos said in a statement. “Prime Now added 18 new cities, which means millions more members now get one and two hour delivery. New benefits were also added to the list, like Prime Reading, Audible Channels for Prime, Twitch Prime and more.”

The company has also been playing up the success of its Alexa voice assistant and Echo line. “Alexa-enabled devices were the top-selling products across all categories on Amazon.com this holiday season,” Amazon wrote in its earnings report. “Customers purchased and gifted a record-setting number of devices from the Amazon Echo family with sales up over 9x compared to last holiday season.”Want to learn AWS Training in Bangalore

Best institute for learning AWS Training.

We Besant Technologies is the best institution for learning AWS Training in Chennaiand AWS Training in Bangalore.we have well experiance staff to trainee the student.we have digital class room facility to trainee the student.We conduct 70% of partical oriented classes to trainee the students.After finishing the training we arrarnge the placement for top MNC companies.

Selenium Training in Chennai

Automation testing: best practices and tips:There are many reasons automated testing is beneficial, and by using these best practices in your automated testing, you can ensure that your testing is successful and that you get the maximum return on investment (ROI). Automated testing will shorten your development cycles, avoid heavy repetitive tasks, and help improve software quality, but how do you get started  Selenium Training in Bangalore These best practices are a successful foundation.

There are many reasons automated testing is beneficial, and by using these best practices in your automated testing, you can ensure that your testing is successful and that you get the maximum return on investment (ROI). Automated testing will shorten your development cycles, avoid heavy repetitive tasks, and help improve software quality, but how do you get started? These best practices are a successful foundation.

Decide What Test Cases to Automate:

Use these key tips to make sure your software testing is successful and you get the maximum return on investment (ROI):
1. Decide which automated test cases
2. Try early and try often
3. Select the correct automated test tool
4. Divide your automated testing efforts
It is impossible to automate all tests,

It is important to determine which test cases need to be automated first.
The advantage of automatic testing is related to the frequency with which a given test can be repeated. Tests that are performed only a few times are best left for manual testing. The good test cases for automation are those that run frequently and require large amounts of data to perform the same action.

You can take full advantage of your automated testing efforts by automating:
• Repeat tests for multiple versions.
• Evidence that tends to cause human error.
• Tests that require multiple data sets.
• Frequently used functions that present high risk conditions.
Test Early and Test Often:
To get the most out of your automated tests, tests should be started as early as possible and run as often as necessary. Previous testers are involved in the project life cycle, better tests and more, more errors detected. Automated unit testing can be implemented on the first day, and you can gradually create your automated test suite.
Select the correct automated test Create good quality test data:
Good test data is extremely useful for data-based testing. Data that must be entered in input fields during an automated test is usually stored in an external file. This data can be read from a database or other data source, such as text or XML files, Excel spreadsheets and database tables. A good automated test tool actually includes the contents of the data files and iterates in the content of the automated test. Using external data makes your automated testing reusable and easier to maintain. To add different test scenarios, data files can easily be expanded with new data without the need to modify the automated test.
Create automated tests that resist changes to the user interface:
Automated tests created with scripts or keyword tests depend on the application being tested. The user interface of the application can switch between compilations, especially in the early stages. These changes may affect test results, or your automated tests may no longer work with future versions of the application  Selenium Training in Bangalore.. The problem is that automated test tools use a number of properties to identify and locate an object. Sometimes a test tool is based on the coordinates of the location to find the object.
Conclusion:
The best practices described in this article are the way to the successful implementation of automated testing. TestComplete includes a number of features that help you follow these best practices:
• TestComplete allows you to divide your test into individual test items, called test elements, and organize them into a tree structure. It allows you to repeatedly run individual tests and run them in a certain order.
• TestComplete supports keyword-based tests. These automated tests can be easily created by inexperienced TestComplete users or when a simple test needs to be created quickly.Selenium Training in Chennai

 

Android Training in Chennai

What is android innovation?

Over the most recent 15 years, the Operating frameworks have built up a considerable measure and upgraded to another level. Beginning from the time of highly contrasting telephones the most recent portable working frameworks have come far away. A standout amongst the most generally utilized versatile working frameworks nowadays is Android. Android is a working framework programming that additionally comprises of middleware and key applications. Android Training in Chennai

Elements and Specifications:

Android is the most intense and most noteworthy working frameworks for a cell phone which bolsters a considerable measure of utilizations. What’s more, these applications make this working framework more agreeable and progressed for its clients. Android equipment is for the most part bolstered and in view of ARM engineering. A portion of the real determinations of Android OS is as underneath.

Application structure

Dalvik Virtual machine

Incorporated program

Media Support

SQLite

GSM innovation

Bluetooth, Edge, 3G,4G, Wi-Fi

Compass, camera, and GPS and so on.

The android cell phones accompany an incorporated Android advertise which is online programming store. This store is produced by Google and it enables clients to choose download and refresh the applications created by outsider designers.

Outline and Architecture

The Android applications are customized in java dialect. Android is accessible as open hotspot for engineers to create applications which can be sold on the android showcase. Android framework depends on Linux adaptation 2.6 for the center framework administrations like security, process administration, arrange stack, and driver model and memory administration.

Security and Privacy

When discussing android, it can be accepted as a multi-process framework in which the majority of its applications runs their own procedures. The security amongst applications and frameworks are authorized through Linux offices at process level like client and gathering IDs which are doled out to applications.

The cell phones having android working frameworks have capacities like detailing the areas of Wi-Fi get to focuses and physical areas of each individual shape that focuses.

 Applications

For the most part the android OS is generally utilized as a part of cell phones, tablets, PCs, Google TV, netbooks and different gadgets like Google wear, Google watch and so on. The principle and real equipment stage of these working framework are ARM engineering. It gives bolsters x86 extend from Android x86 venture, and Google TV utilizes an extraordinary; x86 form of Android.

Best Institution for learning Android:

Besant Technologies provides best Android Training in Chennai. Our trainers are from top IT companies who teach android with real time scenarios. The training syllabus is designed according to current demands of the IT companies and our training sessions are fully loaded with practical test and periodic exercises which will help you to enrich your programming skills clear your certifications and Interviews easily. We offers training for all levels of professionals from fresher’s to experienced level at affordable cost and best placement support At end of the Android  Training in Chennai you will in an situation to provide solution for real world scenario with your programming skill 

Angularjs Online Training

Angularjs:

AngularJS is a client side JavaScript MVC framework to develop a dynamic web application. AngularJS was started as a project in Google but now, it is open source framework.AngularJS is entirely based on HTML and JavaScript, so there is no need to learn another syntax or language.So Learn Angularjs Online Training.

5 Things To Know Before You Get Started With AngularJS

1. AngularJS is Entirely Client-Side

AngularJS is written in JavaScript, and it functions entirely on the client side. This means two things for your app. First, you can run AngularJS in any browser that can execute JavaScript, making deployment a snap. Secondly, you can drop AngularJS into any project without significant back-end modifications.

2. AngularJS is Focused on Data

AngularJS is designed to separate your presentation layer from your business logic layer. It ties the HTML structure of a web page into underlying JavaScript data models, and allows the app to make significant changes to the data without performing the typical extensive DOM manipulations used in other JavaScript libraries.

3. AngularJS Provides a Declarative UI

Most modern apps use JavaScript in various ways to present and manipulate the application’s data. This leads to convolutions in logic where the HTML of a web page needs to be nearly constantly modified and rebuilt in order to present information developed using the procedural programming inherent in Angularjs Online Training.

4. AngularJS Data Objects are POJO

All objects in AngularJS are POJOs, which stands for PLAIN OLD JAVA(SCRIPT) OBJECTS. What this means is that you have all the standard functionality of JavaScript available for object manipulation, allowing you to easily add and remove properties from your objects, and make use of all the built-in collection handlers to loop through your data at will

5. AngularJS is Built for Testing

Unit and functional testing produce more robust, dependable code. AngularJS was developed with this ideal in mind, and is designed from top to bottom to make testing a relatively painless process.

Best website  for Learning Angularjs:

GangBoard offers best Angularjs Online Training  with best placement support. In aim of creating GangBoard designed the syllabus according to current trends which will help you get placed easily more over our Angularjs Online Training is fully real time oriented training are offered at affordable cost with best placement support.

Python Online Training

Why is Python so popular ?

To the surprise of absolutely nobody, the language continued to rank highly on various lists of the world’s most popular programming languages in May, including the TIOBE Index and the PyPL PopularitY of Programming Language Index. Python Online Training can help you to learn python very well.

Many programmers view Python as a language with a clean syntax and an expansive library; thanks to its longevity, there’s also a plethora of third-party documentation, meaning that anyone with a problem or question can (usually) find an answer fairly quickly.

Like many popular languages, Python’s massive user base has created something of a positive feedback loop. Because there are so many people who program in it, it’s easy for new programmers to reach out to others for the help they need. In turn, that helps ensure that people keep programming in Python. (When documentation and fellow programmers are scarce, programming languages start to die.

It also helps if a programming language has something like a corporate sponsor. In Python’s case, it’s Google, which uses the programming language in a number of applications. Google’s developer website offers free classes in Python, including exercises and lecture videos. In a Web-development context, that sort of advertising can’t be bought.

If you’re interested in learning more about the language, check out these resources:

5 Reasons to Learn Python
Aside from its popularity, there are a number of very good reasons to learn Python, including its utility as a general-purpose language, its constant evolution, and its relative ease of use.

Top 5 Python GUI Frameworks
The Python wiki on GUI programming lists over 30 cross-platform frameworks in addition to Pyjamas, a tool for cross-browser Web development. Which ones should you work with?

Web Development in Python and web
Python offers some powerful tools for building Web assets. Its ample documentation can also prove a big help if you find yourself stuck.

Using Python for High-Performance Frameworks
Here’s a breakdown of the language’s asynchronous programming abilities, including multi-core and vectorized programming in various dialects and implementations.

Learning Enough Python to Land a Job
It’s one thing to learn enough of a language to noodle around; it’s another to use your knowledge of that language to land a full-time position at a company.

 Best website for learning Python :

GangBoard gave best online training for Python. At GangBoard, we provide you with corporate style training, placement oriented courses, and syllabus based on the current MNC jobs all prepared by experiences MNC professionals.GangBoard offers easy to download course files of short duration. The course structure is a peeled up fruit that is very well easy to digest! 24*7 live support. So learn Python Online Training