第9題 SampleCode

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].
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答案：D

public class test09 {
public static void main(String[] args){
String[] elements = {"for", "tea", "too"};
String first = (elements.length>0) ? elements[0] : null;
System.out.println(first);
}
}

ANS:
D. The variable first is set to elements[0].