How to avoid mistakes in writing correct class name in TestNG.xml

It's been observed many Automation Engineer struggles in writing class name easily in TestNG.xml file and they end up spending time writing it manually. Follow below mentioned steps to get it quickly:

1. Open .java file
2. Click on class name
3. Right click on class name
4. Select "Copy Qualified Name".
5. Paste into TestNG.xml class name=""