What is the result（）？

A. An exception is thrown.
B. The code does not compile.
C. “Hello worlds.” Is printed to the terminal.
D. The program exits without printing anything.

A. public double methoda （）：
B. static void methoda（double d1） {}
C. public native double methoda （）：
D. abstract public foid methoda （）：
E. protected void methoda （double d1） {}

A. The code compiles and “s=” is printed.
B. The code compiles and “s=” + s）；
C. The code does not compile because Strings is not initialized.
D. The code does not compile because Strings cannot be referneed.
E. The code comiles， but a NullPointer Exception is thrown when toString is called.