Help me in java multi threading

Question

multi threading concept

Answer 1

https://www.tutorialspoint.com/java/java_multithreading.htm

Answer 2

Gaurav honestly, I wouldn't worry much about multithreading and focus on the basics (based on the fact you seem to have just finished the Java course, unless you have prior experience).
Once you start to see a need for threads, and have grasped the basics it will come a lot easier