单选题String[] elements={"for"，"tea"，"too"}； String first=（elements.length0）？elements[0]null； What is the result？（）ACompilation fails.BAn exception is thrown at runtime.CThe variable first is set to null.DThe variable first is set to elements[0].
单选题
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].
参考解析
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