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A quick guide to java string based interview programming questions and examples. 1. Overview In this article, We will see what are the String programs frequently asked in the java interviews. All may be asked in the face to face or telephonic technical rounds. Every java programmer must know all of these questions. Some of these will be tricky but ...

Testing solutions have become more scalable with the advancement of technology, easing organizations’ move from manual testing to Selenium test automation. But nothing comes easy. Running multiple tests in parallel is still unscalable for many organizations. They tend to follow conventional, sequential testing methods to deliver A-Class quality assurance demanding high time, efforts, and resources. Organizations are either hesitant to ...

An encountered NullPointerException can be a useful mechanism for highlighting when a certain code flow or certain data has led to unexpected results (and the messages provided by NullPointerException are much improved with JDK 15). However, there are other times when the presence of null is not an exceptional condition and for those such cases there are several tactics that ...

When you use the managed Elasticsearch service on AWS, you usually choose an encrypted connection (via KMS-managed keys), which means you can’t use just any tool to connect to your Elasticsearch cluster. In fact, in order to manually execute commands the easiest option is to use the built-in Kibana and its dev tools. However, connecting to Kibana is also not ...

In this video, I’m showing how to create effective UI system tests with Selenium. In my previous video course on effective testing, I’ve introduced the coffee shop application, which we now enhanced with some basic HTML views. Selenium is a powerful web driver technology, to programmatically simulate user behavior in a browser, and helps us to create UI system tests. ...

If you ever need to capture the smallest or largest “n” from a stream of data, the approach more often than not will be to use a simple data-structure called the Priority Queue.  Priority Queues do one thing very well – once a bunch of data is added, it can return the lowest value (or the highest value) in constant ...

Cross-site scripting (XSS) is a type of security vulnerability in web applications where an attacker injects malicious scripts through some kind of user input (like input boxes, URL parameters, HTML headers, etc)It is important to prevent XSS attacks to safeguard the confidentiality, integrity, and availability of the information of the web application. The two main cross-site scripting flaws are reflected ...

Introduction Writing good technical documentation is an art. An art is the expression or application of human creative skill and imagination, … to be appreciated primarily for their beauty or emotional power. But every art, like sculpting, has a craft part. You need chisels, hammers to form the sculpture out of the blob of marble. You need to learn the ...

With the rapid advancements in technology and digitization, businesses strive to get the best out of it and ensure their web app runs smoothly on all browsers and platforms. In today’s scenario, businesses rely on Internet presence to increase their ROI and expand their online reach. This is the reason why most web applications are designed to be compatible with ...