https://fgchen.com/wiki/index.php?action=history&feed=atom&title=SCJP_1.6%E7%89%88%E8%80%83%E9%A1%8C_119 2026-04-05T18:13:58Z 本 Wiki 上此頁面的修訂歷史 MediaWiki 1.29.0 https://fgchen.com/wiki/index.php?title=SCJP_1.6%E7%89%88%E8%80%83%E9%A1%8C_119&diff=1301&oldid=prev 2013-03-30T04:11:10Z

<p>新頁面: Given: 11. public static void main(String[] args){ 12. String str = &quot;null&quot;; 13. if (str == null) { 14. System.out.println(&quot;null&quot;); 15. }else (str.length() == 0) { 16. ...</p> <p><b>新頁面</b></p><div> Given:<br /> 11. public static void main(String[] args){<br /> 12. String str = &quot;null&quot;;<br /> 13. if (str == null) {<br /> 14. System.out.println(&quot;null&quot;);<br /> 15. }else (str.length() == 0) {<br /> 16. System.outprintln(&quot;zero&quot;);<br /> 17. }else{<br /> 18. System.out.println(&quot;some&quot;);<br /> 19. }<br /> 20. }<br /> <br /> <br /> What is the result?<br /> A. null<br /> B. zero<br /> C. some<br /> D. Compilation fails.<br /> E. An exception is thrown at runtime.<br /> <br /> &lt;div class=&quot;toccolours mw-collapsible mw-collapsed&quot;&gt;<br /> &lt;span style=&quot;font-size:medium;&quot;&gt;解答&lt;/span&gt;<br /> <br /> ----<br /> &lt;div class=&quot;mw-collapsible-content&quot;&gt;<br /> &lt;span style=&quot;font-size: medium;&quot;&gt;Ans: D &lt;/span&gt;<br /> <br /> &lt;span style=&quot;font-size:medium;&quot;&gt; 解說:<br /> 15行少了if<br /> <br /> &lt;/span&gt; <br /> &lt;/div&gt;&lt;/div&gt;<br /> {{SCJP 1.6版考題講解}}</div>

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