Your question is more about theoretical knowledge than a specific type of transistor. With theoretical skills, you can use them for any electronic component.
1. For the simplest way, use an electronic component tester -
https://www.youtube.com/watch?v=EtuvsQur8-A2. For the right path (IMHO) (to understand the theory and gain experience) - use a multimeter -
https://www.youtube.com/watch?v=gloikp9t2dA