📄 jr - faq - j2ee面试题集锦(附答案).htm
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color=#000000>有错误<BR><BR>ab = new B(); //执行到此处,结果: 1a2bab<BR><BR>应为1a2b2b
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<A class=l2
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<TD><FONT class=p2 face=arial,sans-serif
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<BR>发贴/文章: 34 <BR>专家分: 130 <BR>参与分: 2562 <BR>注册时间: 二月,
2006 <BR><BR></FONT></TD></TR></TBODY></TABLE></TD>
<TD style="WIDTH: 97%; WORD-WRAP: break-word"><FONT
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<TD noWrap width="1%"><FONT class=p2 face=arial,sans-serif
color=#000000>发表时间: 2006-02-16 15:55 </FONT></TD>
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<TD style="LEFT: 0px; WIDTH: 98%; WORD-BREAK: break-all"
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color=#000000>4.写一个Singleton模式的例子<BR><BR>public class Singleton{<BR> private static Singleton single = new Singleton();<BR> private Singleton(){}<BR> public Singleton getInstance(){<BR> return single;<BR> }<BR>}<BR>应该这样比较好<BR> 4.写一个Singleton模式的例子<BR><BR>public class Singleton{<BR> private static final Singleton single = new Singleton();<BR> private Singleton(){}<BR> public static Singleton getInstance(){<BR> return single;<BR> }<BR>}<BR></FONT><BR><BR>
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<A class=l2
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<TD><FONT class=p2 face=arial,sans-serif color=#333333>这个主题共有
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