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Top 10 Free Core Spring, Spring MVC, and Spring Boot Courses for Beginners in 2025 - Best of Lot

Hello guys, if you want to learn Spring Framework, Spring MVC and Spring Boot then you are at the right place. In this post you will find the best free courses to learn Spring Framework, Spring MVC and Spring Boot in 2025. I have been sharing a lot of resources like books and courses recently and when I published my list of Top 5 courses to learn Spring and Hibernate, many of my readers asked about a similar list of free courses to learn Spring Framework like Core Spring, Spring MVC, Spring Security, and Spring Boot. That request was always back in my mind but I couldn't get time to put together a list, which I can share with you guys, but today is the day. In this list, I have compiled some of the best online free courses to learn Spring Framework from scratch, online at your own pace.

10 Best System Design Interview Courses for Software Engineers in 2025

Hello guys, if you are preparing for System design interview and looking for best online courses to learn essential System design concepts like load balancing, API Gateway, scalability, Microservices architecture as well as learn how to solve popular System design questions like how to design YouTube, WhatsApp, Parking Lot, Library System as well when to use NoSQL and SQL then you have come to the right place.

3 ways to Learn Java Programming in 2025? Books, Courses, and Projects

Hello guys, if you want to learn Java and wondering what is the best way to learn Java in 2025 then you have come to the right place. In the past, I have shared many useful resources to learn Java programming and development like the 2025 Java Developer RoadMap, best Java courses, best Java books, and this list of best websites to learn Java for FREE, and in this article, I will tell you the best way to learn Java in 2025. Learning Java programming is quite rewarding and I can say that it was my best decision to learn Java 20 years ago. It opens doors to many opportunities in software development and lucrative jobs like Java developers on Investment banks like JP Morgan, UBS, Citibank, Barclays, and more.

Top 10 Online Courses to Learn Python in 2025 - Best of Lot

Hello guys, if you want to learn Python programming language in 2025 and are looking for the best Python courses, you have come right. There are a lot of resources to learn Python on the web, including free and paid. In the past, I have also shared a lot of accessible sources like freebooks, tutorials, courses,specialization, and certifications. Still, many of you asked for more comprehensive and advanced Python courses to master this essential programming skill in 2025. We have selected a few advanced Python online training courses from platforms like Udemy, Coursera,edX, ZTM Academy, and Pluralsight to help you learn Python from the best resources.

10 Best Udemy Courses of Stephen Grider to Learn Tech Skills in 2025

Hello guys, if you are looking to learn web development or app development then there is a good chance that you may heard about Stephen Grider, one of the best Udemy instructor when it comes to teaching web development technologies. In the past, I have shared best online courses by Jose Portilla, Maximillian SchwarzMuller, Stephane Maarek and Brad Traversy and in this article, I am going to share best online course by Stephen Grider. But, First things first. before I tell you about the 10 best Udemy courses of Stephen Grider, let me tell you who the man really is.

Top 5 Python Courses for Data Science and Machine Learning in 2025 - Best of Lot

We all know what Python is, right? It is a high-level, general-purpose programming language with enhanced readability. The syntax is also well-constructed and has an object-oriented approach. This will enable programmers to write clear and logical code for small and large projects. Data Science can be broadly defined as a field that extracts insights from structured and unstructured data using scientific methods and algorithms. These insights can then be applied across various domains and fields. It can be used for increasing sales, optimizing workflow, cash flow, etc.

Top 6 Free Courses to learn PHP and MySQL in 2025 [Updated] - Best of lot

If you want to build web applications quickly like overnight or over the weekend, then PHP and MySQL are the right choices and because of this power, they are also the best language for freelancing and startups where a quick turnaround time is required. PHP and MySQL are incredibly powerful open source technologies that allow programmers and web developers to create functional websites and apps that go way beyond basic HTML. PHP is specially designed to generate interactive and dynamic websites and is also known as the server-side scripting language, while MySQL is one of the leading relational databases along with Oracle and Microsoft SQL Server.

Top 5 Free Courses to Learn C# (C-Sharp) in 2025 - Best of Lot

Many people underestimate the power of C# and never think highly of it when they talk about programming languages. Still, the truth is that C# is one of the popular programming languages of today's world, just behind JavaScript, SQL, and Java on StackOverFlow's Developer Survey for the last couple of years. There are a lot of jobs and opportunities available for experienced C# developers. It's one of the critical languages for developers working with Microsoft technologies like Windows and SQL Server. It is also one of the most popular programming languages for developing desktop GUI, surpassing Java Swing entirely in the last couple of years. I have seen many big investment banks switched from Swing to C# for their GUI development work.

Top 7 Free Selenium Courses for Beginners to Learn Online in 2025 - Best of Lot

Testing is an integral part of software development. We have long relied on manual testing by testers and QA professionals to ship quality software and find bugs, but that's not sustainable anymore. There is an increased focus on automation testing nowadays, and Selenium is leading its web drivers. If you don't know Selenium, it's a free automation testing tool for web applications. It can work with different web browsers like Chrome, Firefox, Internet Explorer, and Opera and simulate human-like behavior. Using Selenium, you can programmatically interact with all the other elements on a webpage. You can click on them, input text, extract text, and more.

Top 10 Free Udemy Courses to Learn Coding and Web Development in 2025 - Best of Lot

When I was a little kid, I remember reading somewhere that coding will be the language of the future. I was intrigued. What was this new language that I didn't know about and nobody around me spoke? How was it going to be the language of the future? Before we get to the 10 free Udemy courses that will teach you coding, let me tell you a little more about what coding is.

Top 5 Free Courses to learn Salesforce in 2025 - Best of Lot

Hello there, If you want to learn the Salesforce platform and looking for some free online Salesforce courses, then you have come to the right place. Earlier, I shared the best online practices for Salesforce Developer, Administrator, and App Builder certification. Today, I will share free Salesforce courses beginners can use to learn this handy platform and add an in-demand skill to their resume. The Salesforce platform is a unique platform for custom application design, analytics features, and new features.

Top 5 Free Courses to Learn Ruby on Rails for Beginners in 2025 - Best of Lot [UPDATED]

Hello guys, welcome to this post, here you will find some of the best free courses to learn Ruby programming language and Ruby on Rails framework online from Udemy. If you don't know what Ruby is and what is Rails framework is, then let me tell you that it's one of the simplest programming languages with little to no syntax. If you are new to programming or never coded before, then also developing a Ruby application will be much more comfortable than choosing any other programming language like Python or Java.

Top 6 Online Course to learn from Java 9 to Java 23 in 2025 - Best of Lot

Hello guys, even though Java 15 is available now, many developers are still on Java 8 and not really caught up with changes in Java 9, 10, 11, 12, 13, or Java 14. If you are also in the same boat and want to start with Java 9 features, you have come to the right place. This article will share some of the best online courses to learn changes in Java 9, 10, 11, and later add more classes for Java 12, 13, 14, and 15. These JDK releases are packed with powerful features like modules, API enhancements like factory methods for an immutable list, set, and map, some changes on stream API and optional class, new features on process API, etc.

5 Free Courses to Crack GCP Professional Cloud DevOps Engineer Exam in 2025 - Best of Lot

If you are preparing for Google Cloud Professional DevOps Engineer certification in 2025 and looking for free online Google cloud DevOps Engineer courses then you have come to the right place. In the past, I have shared thebest Google Cloud courses and best DevOps Courses, as well as the best online training courses to passcloud engineer,data engineer, andcloud architect certifications, but my readers kept asking for free online courses on Google Cloud, particularly for DevOps engineer certification, and today, I am going to share free GCP Cloud DevOps Engineer certification courses for both beginners and experienced cloud professionals.

Top 8 Free Courses to Learn Web Design in 2025 - Best of Lot

Hello guys, if you want to become a web designer and look for free online courses to learn web design in 2025, you have come to the right place. In the past, I have shared the best free online resources to learn key web development skills like HTML, CSS, JavaScript, Bootstrap, and today, I am going to share the best free resources to learn web design and development. These free courses have been created by expert instructors like Jonas Schmedtmann, and they are from websites like Udemy, Coursera, and edX. You can use these free online courses to learn these valuable skills and become a web designer and developer.

Top 5 Courses to Learn Angular for Web Development in 2025 - Best of Lot

Hello guys, if you want to learn Angular in 2025 and looking for the best Angular courses then you have come to the right place. In the past, I have shared many resources to learn and master Angular like the best Angular books as well as free courses to learn Angular but many of you asked me to share more comprehensive and in-depth Angular courses and here we are with the list of the best Angular online courses to learn in 2025. These are comprehensive, in-depth, and up-to-date Angular courses, curated from popular websites and online courses platforms like Udemy, Pluralsight, Coursera as well as interactive platforms like Educative.

Top 5 Free Excel Tutorials and Courses for Beginners in 2025 - Best of Lot [UPDATED]

Hello guys, If you want to learn Microsoft Excel, a productivity tool for IT professionals, and looking for free online courses, then you have come to the right place. In the past, I have shared some Microsoft Excel courses for beginners and some advanced Excel courses for experienced programmers, which are very liked by you guys. Still, I also receive many requests to share some free resources to learn Microsoft Excel like free books, free online courses, and free tutorials, and that's why I am going to share the best free Microsoft Excel courses from sites like Udemy in this article which you can use to learn this helpful tool online.

Top 5 Courses to Learn Agile and Scrum Methods in 2025 - Best of Lot

If you are a programmer, software developer, team lead, or project manager who wants to learn Agile and Scrum in 2025 and looking for the best Agile courses, then you have come to the right place. Earlier, I shared free Agile courses and books, and today, I will share the best Agile and Scrum online courses you can join in 2025 to learn these in-demand skills. The Agile software development approach is a powerful approach that is very popular among the development community. As technology advances rapidly, the client expectations are high, and the delivery time is less.

Top 70 Java Interview Questions for Junior Developers [1 to 2 Years Experienced]

Java Developer Interviews are very different than traditional software developer interviews. You can clear a Java interview without even writing a single line of code, Yes, this is true, you can become a Java developer without someone asking you to write a function in a Java interview. Though it's not the case everywhere and many companies are increasingly including a coding test in their Java developer interview process, but there are many companies and start-ups where you can get a Java job without writing a single line of code. All you need to do is learn those popular Java questions, which have been asked for ages, and mostly test whether a candidate is familiar with essential Java concepts or not like abstract class and interface.

Difference between save(), saveOrUpdate() and persist() in Hibernate Session

The Session interface in Hibernate provides a couple of methods to move an object from a new or transient state to a persistent state like save(), saveOrUpdate(), and persist() is used to store an object into the database, but there are some significant differences between them. The Session.save() method does an INSERT to store the object into the database and it also returns the identifier generated by the database. On the other hand, saveOrUpdate() can be used to reattach a detached object in Hibernate Session i.e. it can do INSERT or UPDATE depending upon whether an object exists in the database or not.