Sunday, December 2, 2018

How to fix invalid target release: 1.7, 1.8, 1.9, or 1.10 Error in Maven Build

If you are building your Java project using Maven, maybe in Eclipse or from the command prompt by running mvn install and your build is failing with an error like "invalid target release: 1.7" or "invalid target release: 1.8" then you have come to the right place. In this article, I'll show you the reason why this error occurs and how you can deal with these errors even with higher Java version like Java 9, 10 installed on your machine, or maybe with Java 11 in the coming month. The root cause of the problem is that you have specified a higher Java version in your pom.xml file for Maven compiler plugin then what Maven knows in your system, and that's why it's saying invalid target release.

3 Best Spring Security Online Training Courses for Java Developers

The Spring Security is one of the leading open source, security framework which allows you to implement security in Java based web applications. It provides several security features e.g. authentication, authorization, remember me out-of-the-box, which means you can directly use them without adding code or changing your class. Yes, Spring Security implements security at application level i.e. you can even secure your non-secure resource without modifying them. It is also the leading framework to secure RESTful Web Services. Because of all these, the demand for Java developers with good knowledge of Spring Security is very high. They are also some of the highly paid Java developers. Many Java and Spring developer, particularly those who are involved in enterprise and Java web development are learning Spring Security.

Saturday, December 1, 2018

Top 5 Free Java Courses for Beginners to Learn Online - Best of Lot

We all love free resources, don't you? There was a time when I buy a lot of books when I was preparing for my engineering entrance exam but I only ended up buying books not reading them. Afte that I changed my habit to first try to read a book on loan or trying free resource and only buying when I really need. When I started my programming journey, mostly I learn from free resources e.g. free courses and books and there I developed the passion to collect free resources as well.  I agree that paid resources are often better than free resources e.g. books and courses but if you are just starting your journey, it's the free resource which you should try first. Once you have some background and interest, you should consider buying a proper book or courses for comprehensive learning.

Top 5 MySQL Courses for Programmers to Learn Online - Best Of Lost

Hello guys, if you are interested in learning SQL with MySQL database and looking for some awesome resources e.g. books, tutorials and online courses then you have come to the right place. In past, I have shared some useful books and tutorials and in this article, I am going to talk about some of the best MySQL online courses from Udemy and Pluarlsight which you can join to learn SQL and MySQL from the comfort of your office or home. In last a couple of years, you might have heard the statement that everybody should learn to code, which is great. Coding is now like reading, writing and speaking skill and in today's Information technology-centric world it is must have and there is no better way to start coding than learning SQL, the most popular programming language.