"The import org.openqa cannot be resolved".
"WebDriver cannot be resolved to a type".
"ChromeDriver cannot be resolved to a type".
This type of error occured when writing TestNG program. Before TestNg installation, selenium program is executing properly. It doesn't gives such type of error. This type of error occurs only after TestNG installation, I had uninstall TestNG and then again install TestNG 2 times also. But still facing same problem.