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This is the short tutorial to test whether the given string is null or empty. Let's look at the following example: public class...

This is a short tutorial to show how to convert the list of strings into the comma-separated string. 1. In Java 8 and later: - Usi...

In this post, I will show you how to do scrolling in Appium. Appium provides the TouchAction API for gesture implementation. 1. Create an A...

In this post, we are going to convert the JSON file to Map or List. Here, we are using the Gson library which provides a clean way to do so....

How to Install and configure a free SSL/TLS certificate for Tomcat using Let's Encrypt on Centos Linux. Table Of Conten...

What to do if your IntelliJ Idea doesn't detect your existing project. Sometimes it may be due to it doesn't find the JDK on you con...

In this tutorial, I will show you how we can create thumbnail images using Java. Thumbnails are the reduced size of images or videos. Basica...

How to convert a tiff(tif) file to JPG/PNG using Java. While dealing with the tiff file, we may have the problem that some browser ...

How to hot reload the resources file when the changes happened in Grails. I was working on Grails 3.3.0 and hot reloading was not work...

How to create simple restful web services with spring security using Spring Boot. Table Of Contents - Prerequisites - Introduction ...