How to convert a String to an Int in Java? If the String contains only numbers, then the best way to convert the String to Int is by using Integer.parseInt() or Integer.valueOf(). If the String contains both numbers and characters, then… Read More »
Extract Numbers From String Using Java Regular Expressions
The following are examples which show how to extract numbers from a string using regular expressions in Java. Being able to parse strings and extract information from it is a key skill that every tester should have. This is particularly… Read More »
How to Loop Over ArrayList in Java
Looping over an ArrayList in Java. In this tutorial, we look at five different ways we can iterate through an ArrayList in Java. As of Java 8, we can use the forEach method as well as the iterator class to loop… Read More »
Git Cheat Sheet – Git Commands Testers Should Know
This post is a Git Cheat Sheet with the most common Git commands you will likely use on a daily basis. If you are a technical tester working alongside developers, you should be familiar with the basic Git commands. This… Read More »
JUnit 5 Tutorial – Common Annotations With Examples
This tutorial explains the Junit 5’s most common annotations with examples. JUnit 5 is the next generation of JUnit.The goal is to create an up-to-date foundation for developer-side testing on the JVM. This includes focusing on Java 8 and above, as… Read More »
Convert List to Array in Java
Converting between List and Array is a very common operation in Java. The best and easiest way to convert a List into an Array in Java is to use the .toArray() method. Likewise, we can convert back a List to Array using the… Read More »
How to Parse JSON in Java
JSON stands for JavaScript Object Notation, and it is based on a subset of JavaScript. As a data-exchange format, it is widely used in web programming. Here we show how to parse JSON in Java using the org.json library. A JSON object… Read More »
How to Uninstall IntelliJ From Mac OS
In order to completely remove and uninstall IntelliJ from Mac OS, you need to delete the following directories and sub-directories: Uninstall IntelliJ from Mac OS Configuration (idea.config.path): ~/Library/Preferences/<PRODUCT><VERSION> Caches (idea.system.path): ~/Library/Caches/<PRODUCT><VERSION> Plugins (idea.plugins.path): ~/Library/Application Support/<PRODUCT><VERSION> Logs (idea.log.path): ~/Library/Logs/<PRODUCT><VERSION> Where PRODUCT would be… Read More »
Selenium WebDriver With Java 8 – Lambda Expressions and Collections Stream
From Selenium 3.0, minimum Java version is 8. In this article, we illustrate how to use Java 8 features like Lambda expression and Collections Stream to simplify Selenium WebDriver code. Lambda Expression Java lambda expressions are Java’s first step into… Read More »
How To Query For All Partition Keys in DynamoDB?
Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. With DynamoDB, you can create database tables that can store and retrieve any amount of data, and serve any level of request… Read More »