Which line(s) immediately flush the output buffer?
1. System.out.print("One for the money");
2. System.out.print("Two for the show\n");
3. System.out.println("Three to get ready");
4. System.out.print("And four to go");
5. System.out.flush();
a. line 5 only
b. lines 3 and 5
c. lines 2, 3 and 5
d. every line