This is the best Udemy Java Streams API Developer Guide coupon code discount for 2025.
So if you’re interested in Nelson Djalo’s “Java Streams API Developer Guide” course, which will help you increase your Development skills, get your discount on this Udemy online course up above while it’s still available. (The coupon code will be instantly applied.)
Java Streams API Developer Guide review for 2025
In our review of this course, we try to help you answer all of your most important questions about Java Streams API Developer Guide as quickly and efficiently as possible, so that you can determine whether this online education training is worth your time and money.
Feel free to jump to whatever question you want answered the most.
Here’s what you’ll learn:
Why use JSADG as an abbreviation of the course name?
During our Java Streams API Developer Guide course review, you might sometimes see us refer to it as JSADG for the following 2 reasons:
- We created the acronym by taking the first letter of every word (which was very ingenious and innovative, we know)
- We’re lazy and JSADG is simpler and easier for reviewing purposes
The full course name is 32 characters long, including blanks, while JSADG is 5 characters long.
You do the math.
Okay, we’ll do the math. We’re saving 27 characters every time we use JSADG.
So, just a heads up that we’ll be using this abbreviation sometimes, so you’re not left scratching your head and wondering what the heck we’re talking about whenever we refer to JSADG throughout the remainder of this review.
Is the Java Streams API Developer Guide course for you?
To determine whether Nelson Djalo’s Udemy course is a good fit for you or not, ask yourself the following questions down below.
The more you answer “yes” to each question, the more likely it is that you’ll like this course.
Can you understand what Nelson Djalo’s course is about in 30 seconds or less?
Hopefully, you can easily grasp in 10 seconds or less what this online course is about simply by taking a look at the title that Nelson Djalo chose for the course, “Java Streams API Developer Guide”, as well as its subtitle: “Functional Programming with Java 8”.
This combo of title and subtitle should be enough to communicate the purpose of the training if Nelson Djalo is a good, clear communicator (which, of course, you want in a teacher).
In our opinion, if you still don’t know what JSADG is about after looking at these two things, then this is a red flag, and you might be better off not taking this class.
Among other things, it means Nelson Djalo hasn’t clearly and accurately conveyed what the course is about and might not be the best teacher for you.
For similar reasons, it’s important that you’re able to clearly understand what Java Streams API Developer Guide is all about from the first few lines of the course description.
So take just a few seconds to read the opening lines down below and see what you think of them.
Opening lines of Nelson Djalo’s official description of JSADG
Java 8 brought a lot great new features to the table. A lot people say, the community was late in bringing these features, but what often people dont realise is that brought these new features late but what they did exceptionally well was to implement them better than anyone and give us developers a wonder API to use, and one of the them was the Stream API.
Before Java we wrote a lot code for simple logic and yet we could get it wrong very easily. Well this is not the case with Java 8 in particulate with Streams. With Streams we focus on coding and deliver what we indent rather than thinking of how we are going to code the logic to do what we intend. Streams focuses on the ALL instead of the PARTS. Streams not only focuses on the ALL but it also allows us to write functional style programming, and this is what makes Streams and the Java programming language very attractive to developers.
This course is packed with awesome sections that will take you the journey from from zero to hero. You will learn and understand what I call the
(Read more about this course on the official course page.)
Does JSADG pass the 30 Seconds Test?
You can read a lot more about Java Streams API Developer Guide on the official course page on Udemy, but the point is this: are the title, subtitle, and just the first few lines of the description enough to help you understand what the course is about?
If so, Nelson Djalo has done a good job and can be considered more trustworthy and a good communicator, which are important qualities for any teacher.
And, if not, maybe you’re better off looking at other Development classes that are more clearly defined and more tailored to your specific interests.
Did Java Streams API Developer Guide appeal to you in 30 seconds or less?
Now that you’ve done the 30 Second Test with JSADG above, what is your gut reaction to this Development course with only the basic information of its title, subtitle, and the first few opening lines of its official course summary?
Did Nelson Djalo do a good job conveying its subject matter, and did it immediately get your attention and appeal to you?
If so, Nelson Djalo’s online course is certainly worth considering some more.
But if not, perhaps it’s in your best interest to consider some other Development courses instead, because clear communication and being able to hook and maintain your interest are two very important qualities for your online learning success.
Does Nelson Djalo sound like a course instructor you’d like to learn from?
You’ve already learned how to use The 30 Second Test to make a quick evaluation of whether the JSADG course is worth taking.
We have a similar 15 Second Bio Test where you read only the first few lines of an instructor’s background — in this case, Nelson Djalo’s background — and then you make a quick, snap judgment as to whether you think the instructor would be ideal for you.
There is no right or wrong answer. It’s just about going with your gut instinct. What might appeal to one potential student might alienate another, and vice versa.
(FYI, all Udemy instructors, including Nelson Djalo, have a Udemy profile on their course page, so you can easily check for a bio and background on the Udemy website that way. We’re only including the first few lines of the bio down below for The 15 Second Bio Test).
Opening lines from Nelson Djalo’s Udemy bio
Hi my name is Nelson and I am a software engineer . Graduated with a 1st class honours in Computer Science and in the past few years I have programmed in various programming languages such as PHP, Python, C#. Primarily I write Java and JavaScript focusing in Distributed Systems hosted on cloud. In my spare time, I love teaching, Photography, Baking, play Football. Yes I know, I am an all-rounder!
(Learn more about this instructor on the official course page.)
What did you think about Nelson Djalo after reading just the first few lines of the bio above?
After reading just the first few lines about Nelson Djalo, did it make you more or less interested in taking the JSADG course?
And did it make you feel like Nelson Djalo was more or less credible and qualified to teach Java Streams API Developer Guide?
Finally, overall, did you feel like you’d receive the proper training from the instructor of this Development course?
As always, we encourage you to listen to your gut instinct, which is different for every student.
Are the JSADG lessons clear, specific, and organized well?
Part of the (good) problem with Udemy’s online courses, such as the Java Streams API Developer Guide course, is that the instructors are constantly updating them, including adding and renaming lessons.
So it makes no sense whatsoever for us to list out all the modules and lessons in the JSADG course here, because you can just as easily go to the Udemy course page and get all the up to date course structure as of right now.
We do, however, have some tips about reviewing Nelson Djalo’s course structure, so that you can get a better sense of whether this program is worth your time or not.
In a nutshell, you want to scan the the titles of the different sections and lessons of the course, and verify that they are clearly relevant to the course’s name, Java Streams API Developer Guide, as well as the course’s subtitle, Functional Programming with Java 8.
If the section names and lessons are clear, specific, and relevant, then it’s a good sign that JSADG is potentially a good, useful course for you, and you can have more confidence in Nelson Djalo’s teaching abilities and lesson planning.
On the other hand, if the module names are confusing, vague, or irrelevant, then this is a red flag, which might indicate that the program is worth skipping.
Have you taken some free lessons from Nelson Djalo that you enjoyed?
Have you already learned something from Nelson Djalo that you valued or enjoyed?
For example, does the Java Streams API Developer Guide training have some free lessons that you can try? (Almost all Udemy instructors will give you at least one or two lessons for free to help you make a better, more informed decision before enrolling in their course.)
But if you weren’t able to get any JSADG lessons for free, have you perhaps watched a YouTube video by Nelson Djalo, or perhaps come across this instructor’s thoughts on Quora, Facebook, LinkedIn, Github, Reddit, or some other platform?
Or have you perhaps even taken one of Nelson Djalo’s free courses or free webinars? (Many online teachers offer these freebies, which is a great way to get to know them and evaluate their teaching methods before buying one of their courses.)
In any case, the more familiar you are with Nelson Djalo’s teaching methods, and the more you enjoy them, the more likely it is that Java Streams API Developer Guide will be a good fit for you.
(P.S.: We strongly encourage you to seek out some free instruction from Nelson Djalo before purchasing this course, since it’s one of the best ways to determine whether JSADG will be helpful for you.)
Are “Java Streams API Developer Guide” reviews generally positive?
On the bottom of the JSADG page, you can read student reviews of the class.
Prior to August 20, 2025, there were 4,288 students enrolled, 1,671 reviews / ratings, and it was overall rated 4.5 out of 5.
Obviously, the more highly other students rate JSADG the better, but no matter what, keep an open mind when reading the reviews, since you might still like a course a great deal that other students dislike.
After all, everyone’s got their own opinion.
We recommend that you spend only a couple minutes scanning the JSADG reviews to get an overall sense of them. You don’t have to read each one!
Is Nelson Djalo responsive to student questions in the JSADG training?
You can see what other students have to say about this in their JSADG reviews.
But, our simple all time favorite way of gauging an instructor’s responsiveness is to simply email the instructor and see if or how they respond.
In this case, Udemy has a messaging system for students / anyone who has an account, and you can send Nelson Djalo a message through this system quite easily, even if you haven’t bought JSADG yet.
For example, you could say, “Hi, and I came across JSADG while looking at Development courses on Udemy. If I enroll in your training, would you mind if I asked you any questions along the way?”
If you use this approach, the response (or lack of response) from the professor will tell you everything.
Obviously, the quicker the response the better!
Are you comfortable going through the lessons in Java Streams API Developer Guide on your own, online?
This is a big one, because Java Streams API Developer Guide is an online course as opposed to a course that you physically take in a classroom.
Of course, you will need a good internet connection to have access to the course material and lessons, but beyond that, you also have to be comfortable being self motivated to some degree, being on your own, and not having any physical interaction with any of the other students taking Java Streams API Developer Guide.
Yes, you will be able to interact with the students and the teacher, Nelson Djalo, online, but it’s a different kind of experience than what you’d get if you were interacting with them in person.
This is not a big deal to most people, but it might be something for you to consider if you feel like you do better taking classes in person rather than learning online.
Do the pros / benefits of JSADG make it worth your time?
Ideally, if you’ve gone through the evaluation steps above, you have a list of positive things about the Java Streams API Developer Guide training that looks something like this:
- The purpose of JSADG can be clearly grasped and understood, and its lesson structure is clear, specific, and well organized
- Nelson Djalo is well qualified to teach this subject matter, has good teaching abilities, and is responsive to student questions
- Other JSADG students have great things to say about the program
Other benefits include:
- You get to go through JSADG at your own pace
- You join a community of 4,288 other students taking the course
- You get lifetime access to the training
- All updates to the training are free
- You have a 30 day money back guarantee
Even if there are some things that you don’t like about the program, so what?
The question is simply this: do you think that JSADG would be worth your time, even if there are some things that could be better about it?
Can you comfortably afford JSADG?
Can you comfortably afford the cost of Java Streams API Developer Guide?
This is an important question to answer, because even if you think JSADG sounds like the greatest online class in the world, it’s still not worth taking if you can’t comfortably afford it!
Before August 20, 2025, the price was $12.99 before any Udemy discount, and you were able to pay with a credit card.
Keep in mind that this is a Udemy online course, and there’s a great chance that you can get a solid discount on JSADG with Udemy coupons / promo codes, especially with the strategies we provide for helping you find the best, most popular coupons available.
We’ll cover that in greater detail in the next section, because at the end of the day, its important that you can learn whatever you want to learn without getting into a lot of credit card debt.
How can you maximize your discount on Java Streams API Developer Guide?
By far, the easiest way to get the best and biggest discount on this course is to use the Java Streams API Developer Guide discount code link at the top of this page.
It will instantly give you the best coupon code we could find for Nelson Djalo’s online training.
We don’t believe there’s a bigger discount than the one we provided, but if for some reason you’d like to try find one, you can use the methods below to hunt for the best JSADG course coupons and promo codes you can find.
FYI, the methods below will help you not just with getting JSADG for a better price, but also with any other Nelson Djalo Udemy course that you’d like to get for cheaper.
How can Google help you get a JSADG discount?
To use this method, do a Google search for the JSADG training, but in your search query, be sure to add words like coupon code, promo code, deal, sale, discount, and Udemy.
For example, you might do a search for “Udemy Java Streams API Developer Guide promo code” or “Java Streams API Developer Guide udemy coupon codes” and see what turns up.
Similarly, you can use the same combination of search terms with Nelson Djalo’s name and see what happens.
For example, you might do a Google search for “Nelson Djalo Udemy coupons” or “Nelson Djalo course coupon codes” and see if that helps you.
However, in general, it’s far more powerful to do a search for deals and coupon codes with the actual training’s name, than with the instructor’s name.
So in this case, for example, prioritize searches for “Java Streams API Developer Guide coupons” rather than “Nelson Djalo coupons”.
How can a Udemy sale get you JSADG for cheaper?
Every once in while, Udemy will do a sitewide sale where they offer all (or almost all) their courses at a discounted price. For example, one of the best sales is where every course is only $10 or $9.99.
So, if you’re interested in saving as much money as possible, you could wait and see if you can get JSADG for this cheaper Udemy sale price one day.
The problem is that these sales only occur sporadically, so you might be waiting for a while. Also, if Nelson Djalo decides not to participate in the site wide sale, then you won’t get a discount on JSADG, even though you could get a great discount on almost any other class at Udemy!
To understand this, think of there as being two different coupon categories for the JSADG course. Category one is an official Udemy coupon (which instructors can opt out of), while category two is a coupon offered directly by the instructor.
At the end of the day, it doesn’t matter what kind of a coupon tag you’re dealing with (for example, “officially from Udemy” or “officially from the instructor”), as long as long as as you’re dealing with active coupons that get you a better price.
How can you get a JSADG discount from Nelson Djalo?
If you’re really serious about getting “Java Streams API Developer Guide” for the cheapest price possible, then perhaps one of the most powerful things you can do is get a coupon code straight from Nelson Djalo, instead of waiting for a Udemy sale.
To do this, you can use either the direct approach or an indirect approach to try to get your discount.
With the direct approach, the big idea is to simply get Nelson Djalo’s contact info in some way or another (whether it’s email, or Twitter, or whatever else).
Then you send a message saying something like “I’m interested in enrolling in Java Streams API Developer Guide. Do you happen to currently have an active coupon code for it that I could use?” (And then, hopefully, you’ll get a reply with your discount code.)
On the other hand, with the indirect approach, you join Nelson Djalo’s mailing list, if you can find it, and then you hope that at some time JSADG will be promoted to you at a discount.
By far, the more powerful approach is the direct approach, because it tends to get results faster. But you can experiment with the indirect approach and see if it works for you.
Can you get JSADG for free?
Of course, the best possible price for the JSADG training is free! As in, you pay no money whatsoever.
And guess what? Sometimes Udemy instructors provide coupon codes that enable students to take their courses for free. So, perhaps it’s possible that Nelson Djalo has done this.
Basically, if you’re trying to get this program for free, you will want to search for the course’s name along with other words like free coupon, or 100 off coupon.
For example, you might do a google search for “Java Streams API Developer Guide free coupon” or “Java Streams API Developer Guide 100 off coupon” and see what happens.
But keep this in mind: often, Udemy teachers will offer a free coupon for their course when it first opens to get some publicity and reviews. And then, after a few days, they’ll make the coupon expired.
So even Nelson Djalo has offered free coupons for JSADG in the past, the odds are likely they will all be currently expired. This is a common pattern that we have found.
What about a JSADG free download?
It’s important to understand that there’s a difference between getting full access to the JSADG training for free legally with a free coupon code vs. finding a way to download JSADG illegally.
If you really want to go the download route, you can do a google search for something like “Java Streams API Developer Guide download”.
And if that doesn’t get you the results you want, you can add the word “free” to your search.
For example, perhaps you could do a google search for “Java Streams API Developer Guide free download”.
However, even if you get some results from these searches, we do not recommend that you take this course of action.
First of all, there are some shady sites out there that could be trying to infect your computer.
Second, Nelson Djalo created this course and deserves monetary compensation for it.
And third, if you go the free download route, you’ll be missing out on a lot of value, because you won’t be able to ask the instructor questions or interact with the other 4,288 students enrolled in the program.
Can you get a refund on Java Streams API Developer Guide if you don’t like it?
Let’s say that you used our tips above, and you were able to buy the JSADG training at a fantastic discounted price. So at this point, you’re super excited.
Then, you actually dive into Nelson Djalo’s course, and you discover that it just isn’t for you for whatever reason.
And now you’re super bummed, because you feel like it wasn’t money well spent.
Well, guess what?
Udemy offers a rock solid 30 day money back guarantee on all their courses, so you can get a refund on JSADG no matter what. And this means there is absolutely no risk.
Indeed, even if you left a super negative, critical review on the JSADG training, and then asked for your money back, you’d get a refund. For better or worse, there’s nothing Nelson Djalo could do about it, since it is simply Udemy policy.
To sum it up: yes, you can get a full refund, so at the end of the day, don’t worry about the possibility of purchasing JSADG and not liking it, since you can always get your money back.
What is OCP’s overall rating of Java Streams API Developer Guide?
During this JSADG review, you’ve learned about some of the unusual ways we like to evaluate courses, such as with The 30 Second Test and The 15 Second Bio Test.
So our overall review process is perhaps a little unusual and different from other reviews out there. Keep this in mind when you consider the overall rating / score that we have given this course.
Anyway, after taking a look at the JSADG training, the instructor, Nelson Djalo, and reading what other students have said about this program, we give it an overall rating of 4.8 out of 5.
Ultimately, though, what matters most is what you would rate it based on the same criteria.
What are some potential alternatives to Java Streams API Developer Guide?
If you like this course, you might also be interested in:
1. Complete ASP.NET Core MVC 2.1 Course
Master ASP.NET MVC Core 2.1 using Entity Framework Core and deploy the final application on Azure and IIS
Taught by Passionate Software Developer
A comprehensive guide to learn and use the Redis data structure store
Taught by 1+ Million Students Worldwide | 200+ Courses
Build distributed system using microservices architecture
Taught by Tech Knowledge in Motion
4. Appium – Mobile Testing with Latest 1.8.2 and Live Projects
260+ Lectures, 65+ Hours of inDepth training on Mobile apps automation for IOS and Android using Appium on Real Devices
Taught by Way2Automation – Director & The Selenium Guru
5. Learn Data Warehousing From Scratch- From Solution Architect
Real life data warehouse guide from the industry expert. Succeed in BI|DataWarehouse|Data Model|BIGDATA.
Taught by DW/BI Solution Architect
TLDR: Just the quick facts about JSADG
Okay, if all of this was Too Long Didn’t Read for you, here is the Cliff’s Notes version of what JSADG’s online training is all about:
JSADG coupon & course info
Course Name: Java Streams API Developer Guide
Subtitle: Functional Programming with Java 8
Instructor: Taught by Nelson Djalo
Category: Development
Subcategory: Software Engineering
Provided by: Udemy
Price: $12.99 (before discount)
Free coupon code: Get Udemy coupon code discount at top of page (no charge for coupon, especially since we are compensated for referrals via affiliate marketing)
JSADG review info & popularity
Prior to August 20, 2025…
Students: 4,288 students enrolled
Ratings: 1,671 reviews
Rank: ranked #729 in Udemy Development Courses in Udemy Development Courses
Rankings tip: rankings change all the time, so even if Java Streams API Developer Guide is a bestseller or one of the top Udemy courses one year, it doesn’t mean it will be a top Udemy course the next year
JSADG final details
Languages: English
Skill level: All Levels
Lectures: 45 lectures lectures lessons
Duration: 2.5 total hours hours of video
What you get: Functional Programming
Target audience: Anyone who wants to learn Java Streams
Requirements: You should be able to use PC or MAC
Access: Lifetime access
Peace of mind: 30 day money back guarantee
Availability: available online, as well as on iOS and Android
Download options: check course to see if you can download lessons