Difference between JVM, JIR, JRE, and JDK in Java

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JRE, JVM, and JDK are three terms you often heard in conjunction with Java programming language, and most people either confuse them or think they all are the same. In this Java article, you will learn what is Java Run-time (JRE), what is Java Virtual Machine (JVM) and...

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Java Creates New Big Data Opportunities

If you think that we live in the age of digital information, you are totally right. But do you know just how much data is generated globally? It is impossible to determine the exact figure, but rough estimations say that people, machines, and organizations create more than 2.5...

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Testing with Hoverfly and Java Part 1: Get started with Simulation Mode

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These days a major problem exists when it comes to testing code that has to do with various cloud services where test tools are not provided. For example although you might have the tools for local Pub/Sub testing, including Docker images you might not have anything that can...

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Java Exercises for Beginners

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Many people who tried learning to program never become programmers. Why? Among all the reasons, one can single out the most important: these people didn’t have enough practice. So if searching for Java programming exercises is a clever decision. Plus, practicing programming itself is a very exciting experience...

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How to do test refactoring towards fluent assertion pattern?

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What are Clean Tests? The Clean Code rules apply equally to the production code and the test code. So do code cleanup every time, including when you write tests. You will often notice opportunities for refactoring right after adding a new test or even before writing it. This...

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Different ways to remove Spaces from String In Java

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String manipulation is done most often while programming. Like removing spaces in or around the string text. This also known as ‘strip’ping off spaces in the string. So up till now we are all aware of the different ways to remove spaces from string in java, namely trim,...

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