Differences between @RequestParam and @PathVariable annotations in Spring MVC?

The Spring MVC framework, one of the most popular frameworks for developing a web application in Java world also provides…

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Can a non static method access static variable/method in Java?

“Can a non-static method access a static variable or call a static method” is one of the frequently asked questions…

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DispatcherServlet of Spring MVC – 10 things Java Developer should know

If you have worked with Spring MVC then you should know what is a DispatcherServlet? It’s actually the heart of Spring…

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Java 8 – Sorting HashMap by values in ascending and descending order

In the last article, I have shown you how to sort a Map in Java 8 by keys and today, I’ll…

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Difference between @RestController and @Controller Annotation in Spring MVC and REST

The @RestController annotation in Spring MVC is nothing but a combination of the @Controller and the @ResponseBody annotation. It was…

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What does the InternalResourceViewResolver do in Spring MVC?

The InternalResourceViewResolver is an implementation of ViewResolver in Spring MVC framework which resolves logical view name e.g. "hello" to internal…

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How to convert a lambda expression to method reference in Java 8?

If you have been coding in Java 8 then you know that using method reference in place of lambda expression…

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How to create a thread-safe ConcurrentHashSet in Java 8?

Until JDK 8, there was no way to create a large, thread-safe, ConcurrentHashSet in Java. The java.util.concurrent package doesn’t even…

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How to format/parse dates with LocalDateTime in Java 8 – Example Tutorial

One of the common tasks in Java project is formatting or parsing date to String and vice-versa. Parsing date means…

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