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Easiest Way to Reverse a String in Java

Published: February 20, 2019 - Amir Ghahrai

java reverse string

Reversing a string is one of the most frequently asked questions in a Java technical interview. The Interviewers may ask you to write different ways to reverse a string, or they may ask you to reverse a string without using in-built… Read More »

Tags: Java


Purpose of Overriding toString() Method in Java

Updated: February 20, 2019 - Amir Ghahrai

java-toString-example

What is the purpose of toString() method in Java? If we want to represent an object of a class as a String, then we can use the toString() method which returns a textual representation of the object. When you print an… Read More »

Tags: Java


Gatling Quick Reference: Usage of Common Gatling Functions

Published: December 15, 2018 - Amir Ghahrai

gatling cheat sheet quick reference

This post serves as a quick reference guide for Gatling tool for performance testing. Previously, we saw how to organize your Gatling project in a logical and easy to understand structure. In this post, we look at some examples and… Read More »

Tags: Gatling, Performance Testing


SDET Unicorns – Why is it so Hard to Hire SDETs?

Updated: December 3, 2018 - Amir Ghahrai

SDET - Software Developer in Test

SDET, also known as Software Development Engineer in Test, is a job role within Software Testing and Quality Assurance Domain. The term was originally used by Microsoft and then Google with a view of replacing mundane and repetitive manual testing task… Read More »

Tags: Modern Testing, Test Automation


Soak Testing With Gatling Example

Updated: February 13, 2019 - Amir Ghahrai

soak test with Gatling

How to perform Soak Testing with Gatling? Soak Testing involves running one or more scenarios for a long duration, e.g. 24 hours, to find memory leaks in an application. Some applications, when subjected to a constant load for a long… Read More »

Tags: Gatling, Performance Testing


Top 10 Open Source Performance Testing Tools

Updated: December 3, 2018 - Amir Ghahrai

top 10 opensource performance testing tools

Performance testing is becoming an integral part of the development process, so it is essential to know what tools are out there. This post contains a list of top 10 open source performance testing tools. Open Source Performance Testing Tools JMeter The Apache… Read More »

Tags: Performance Testing, Test Tools


HTTP Status Codes With Explanations

Updated: December 2, 2018 - Amir Ghahrai

http status codes

HTTP Status Codes or Response Codes are grouped into five categories. 1×× Informational, 2×× Success, 3×× Redirection, 4×× Client Error, 5×× Server Error. This post contains the full list of HTTP status codes with a short description of the most… Read More »

Tags: API Testing


Gatling – How to Save Response Body

Updated: February 13, 2019 - Amir Ghahrai

gatling save response data

How to save response body in Gatling? When we do API performance testing, we may need to build a chain of requests. For example, we make a call to an API, save the response and pass the response to another… Read More »

Tags: Gatling, Performance Testing


Convert String to Int in Java With Examples

Updated: December 2, 2018 - Amir Ghahrai

java convert string to int

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 »

Tags: Java, Technical Skills


Extract Numbers From String Using Java Regular Expressions

Updated: December 2, 2018 - Amir Ghahrai

extract numbers from string java regex

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 »

Tags: Java, Technical Skills


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Selected Articles

  • Test Automation Problems
  • Test Automation Strategy
  • Agile Test Strategy example
  • How QAs add value in agile
  • Agile without automation
  • How agile killed managers
  • Agile testing challenges
  • Testing e-commerce websites
  • Role of QA manager in agile
  • Are you a good agile tester?
  • BDD tips and best practices
  • Myths of test automation
  • Test automation tips
  • Test automation pros & cons






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