SCJP(OCPJP) 考古題解析 第９題

Given:

String[] elements = {"for", "tea", "too"};
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].

答案：Ｄ


解析：

變數或物件 = <判斷條件> ? <true時的值> : <false時的值>