Is Big O notation the worst case?

Related questions

1. What makes an algorithm stable?
2. What is an example of an algorithm in psychology?
3. Why do we use sorting algorithms?
4. What is difference between comparable and comparator interface?
5. How do sorting algorithms work?
6. How do we calculate the complexity of an algorithm?
7. What is the algorithm for quick sort?
8. Which is best searching technique?
9. How many types of sorting algorithms are there?
10. Which searching algorithm is faster in finding element?

Tags

1. #worst
2. #relationship
3. #binary
4. #theta
5. #notation
6. #talking
7. #there
8. #sometimes
9. #types
10. #algorithm
11. #about
12. #short
13. #search
14. #average