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Top 6 Free Python Courses for Beginners to Learn Programming in 2022 [UPDATED]

Hello guys, If you are a beginner looking for best Free Python resources to start your programming journey, like books and online courses then you have come to the right place. Earlier, I have shared a couple of free Python Programming books and some of the best courses to learn Python, which were not free. Some of my readers asked me to share some free online courses to learn Python, and it made sense. I personally like starting from free resources, and today, I'll share a couple of excellent Python programming courses, which are absolutely FREE. You can take these online courses to learn Python at your own pace, at your own time, and at your place to learn Python in 2022. This is an excellent advantage of online learning, the flexibility it provides is just impressive. 

How to calculate Compound Interest in Java? Compound Interest Calculator in Java Example Tutorial

Hello guys, if you are wondering how to calculate compound interest in Java or looking for Java program to calculate compound interest then you have come at the right place. Earlier I have shared how to calculate simple interest in Java and today I am going to share how to calculate compound interest in Java program. Calculating simple interest or compound interest are common coding problem which are taught in schools and colleges to teach you coding. The best thing about these coding exercise in Java are that everybody are familiar with them so you know the concept already and all you need to do is convert that solution into code which is the skill needed to become a coder or programmer. 

Top 20 Mathematics and Statistics Interview Questions With Answers

Hello guys, if you are preparing for Data Engineer or Data Scientist Interview then you must prepare for Mathematics and Statistics questions, and if you are looking for Maths and Statistics questions then you have come to the right place. In the past, I have shared multiple Data Science Interview Questions and Machine Learning Interview questions and in this article, I am going to share 20 Mathematics and Statistics questions which you can prepare for interview. If you have used Statistics and Maths recently then you are most likely to answer these questions but if you are not you can always join these Maths and Statistics courses to learn more about them and refresh you knowledge before interviews. 

Difference between 32-bit vs 64-bit JVM in Java?

Hello Java Programmers, if you want to learn Java virtual Machine in-depth and wondering what is the difference between a 32-bit and 64-bit JVM and which one should you use and why? then you have come to the right place. Earlier, I have shared the best JVM books and online JVM courses and in this article, I am going to talk about 32-bit vs 64-bit JVM and their pros and cons. This is also a common Java interview question for beginners and intermediate Java programmers. I have tried to answer this question to the point that's why this article is a short but informative one. You will find out what they are, how they are different, how much heap size, and the pros and cons of each of them. 

Top 21 Python Interview Questions Answers for 1 to 2 Years Experienced Programmers

Hello guys, if you are new to programming world, looking for your first Job in software development, particularly for Python developer, and looking for frequently asked Python interview questions then you have come at the right place. Earlier, I have shared best Python courses, books, Python projects, best place to learn Python and many interview questions on Data Structure, System Design, OOP Programming, and Recursion, which are essential topic for any programming interviews, including Python Developers and Engineers and in this article, I am going to share Python questions. These are the questions about Python programming language, Python tools, and Python eco-system in general.

Top 50 Java Collections + Generics Interview Questions and Answers for 1 to 3 Years Experienced

Hello guys, if you are preparing for Java interviews and looking for frequently asked Java generics and Java Collections interview questions then you have come to the right place. In the past, I have shared 130+ core java questions and best courses for Java interviews and In this article, I am going to share the best Java collection and Java Generics interview questions to crack the interview. You will not only get exposure to frequently asked questions but also learn very useful Java topics that will help you in your day job.  By the way, Java Collection and Generic are very important topics for Java Interviews. They also present some of the hardest questions to a programmer when it comes to interviews, especially Generics.

Top 21 Chef Interview Questions and Answers for DevOps Engineers

Hello guys, if you are preparing for DevOps or SysOps interviews where Chef skills are required then you should prepare about common Chef Interview questions. If you already know this and looking for popular Chef Questions then you have come to the right place. Earlier, I have shared Interview questions on essential DevOps Tools like Docker Questions, Kubernetes Questions, Ansible Questions and in general DevOps questions and in this article, I am going to share common Chef interview questions and their answers. If you have used Chef in your project then most likely you will know the answers of all these questions but if you struggle to answer them then you can always checkout these Chef online courses to refresh your knowledge. 

Difference between HashMap vs IdentityHashMap in Java? Example

The IdentityHashMap is one of the lesser known Map implementations from JDK. Unlike general purposes Map implementations like HashMap and LinkedHashMap, it is very special and its internal working is quite different than HashMap. The main difference between IdentityHashMap and HashMap in Java is that the former uses the equality operator (==) instead of the equals() method to compare keys. This means you need the same key object to retrieve the value from IdentityHashMap, you cannot retrieve values by using another key that is logically equal to the previous key. 

How and When to use TreeMap in Java? Example Tutorial

Hello guys, I hope you all are doing well and having lots of fun reading and learning Java Collections together. Today we are here a meet again on our journey of Java. I hope you all have seatbelts buckled up as today it's gonna be an adventurous ride while learning something that is most used in many production applications, coding, and whatnot. Today's topic, TreeMap in Java is very important because it holds a very significant feature Java development kit provides. This is also one class which many Java developer doesn't pay attention but it is really used for many use cases. Most Java developer just keep their attention to ArrayList, HashSet, and HashMap and thus missing out on many cool Java collection classes like TreeMap, WeakHashMap, and LinkedHashMap which saw earlier.