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Top 6 Online Course to learn Java 9, 10, 11,12 and 14 in 2021 - 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, then you have come to the right place. In this article, I am going to share some of the best online courses to learn changes in Java 9, 10, 11 and later add more courses for Java 12, 13, 14, and 15. These JDK releases are packed with some 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. 

Top 5 Free C++ Courses for Beginners to Learn Programming Online - Best of Lot

Hello, guys, you might know that C++ is one of the most popular and powerful object-oriented programming languages, and if you want to do low-level stuff, then it's the best language to start with. Most of the complex software like Operating Systems, Database Management Systems, and Powerful trading systems, are written in C++. While many of us have learned to program by using C and C++, let me honest with you; learning C++ is challenging, especially if you are coming from Python or Ruby background. There are many areas that are tough to grasp like pointers and memory management, but you will learn them slowly, and that's where these free C++ courses will help you.

How to solve NullPointerException in Java [Tips]

Hello Java programmers, if you want to learn what is NullPointerExcpeiton in Java and how to deal with ith then you have come to the right place. NullPointerException in Java is an unchecked Exception defined in java.lang package and comes when a member of an object either field or method is called on an object which is null. null is a keyword in Java that means nothing and the calling method on an object whose value is null will result in NullPointerException. Since the default value of Object is null, if you call any method or access any field on an Object which is not initialized will throw NullPointerException

Top 5 Computer Vision and OpenCV Courses to Learn in 2021 - Best of Lot

Hello guys, if you want to learn Computer Vision and OpenCV and looking for the best computer vision online courses from Udemy, Coursera, and Pluralsight then you have come to the right place. Earlier, I have shared the best online courses to learn Python, Data Science, and Machine Learning from Coursera and Udemy, and in this article, I am going to share the best online training courses to learn both Computer Vision and OpenCV. The list includes courses for both beginners and experienced programmer who wants to learn the advanced concept of Computer Vision and Open CV.  It's one of the most existing fields of Machine Learning and Artificial Intelligence and has uses across industries like object detection, self-driving cars, robotics, and much more.

How to check if a Number is Power of Two in Java? [Bitwise AND Example]

Hello guys, if you are thinking about how to check if a given number is a power of two without using an arithmetic operator like division then you have come to the right place. In Java, you can use bitwise operators like bitwise AND check if a given number if the power of two or if the given number is even or odd. In this Java Programming tutorial, you will learn how to check if the number is the Power of two using a bitwise operator. The main purpose of this program is to teach you how to use bit-wise operators like bitwise AND (&)  in Java. A number is said to be the power of two if all its prime factors are 2, but in the binary world, things work a little differently. 

Top 5 Free Online Courses to Learn Eclipse and JUnit for Beginners - Best of Lot

Both Eclipse and JUnit are two of the essential tools for Java Developers. Eclipse is a Java IDE, Integrated Development environment which allows you to code, run, and debug Java program from a single window. At the same time, JUnit is a unit testing library that will enable you to test your Java code automatically. You can write JUnit tests, and then you can run them automatically using Maven or Gradle plugin at build time. You can further automate your build using Jenkins, which means your Unit test will run continuously and automatically, reporting any break at the earlier possible opportunity.