Testing is the process of checking software applications and systems to identify errors, bugs, performance issues, and functionality problems before release. It helps ensure that software works correctly, securely, and efficiently.
In software development, testing is used to improve quality, reliability, and user experience by validating whether an application meets its requirements.
For example:
A developer tests a login system to ensure users can sign in successfully.
A mobile application is tested on multiple devices to check compatibility and performance.
An e-commerce website is tested before launch to verify payment and checkout functionality.
Common technologies and concepts related to Testing include:
- Unit Testing
- Manual Testing
- Automation Testing
- QA (Quality Assurance)
- Debugging
- Selenium
- Test Cases
- Performance Testing
