The code won't do anything since is doesn't compile because of 3 different reasons.
Then that is fixed it will cause the thread to sleep (execute nothing). Like Ankit said you can invoke static methods through an reference to an instance.
However this is not recommended because when you change the reference type (anyone got a better name for reference type?) you'll invoke a different static method.
"Any fool can write code that a computer can understand. Good programmers write code that humans can understand." --- Martin Fowler
Please correct my English.