第239題

Given:
1. public class TestOne{
2. public static void main(String[] args) throws Exception{
3. Thread.sleep(3000);
4. System.out.println("sleep");
5. }
6. }

What is the result?

A. Compilation fails.
B. An exception is thrown at runtime.
C. The code executes normally and prints "sleep".
D. The code executes normally, but nothing is printed.

答案：C
參考：13-2 Java執行緒與Thread類別