試題詳解

第9題 Given: 11. String[] elements = {"for", "tea", "too"}; 12. String first = (elements.length>0) ? elements[0] : null; What is the result?
(A) Compilation fails.
(B) An exception is thrown at runtime.
(C) The variable first is set to null.
(D) The variable first is set to elements[0]