﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>语源科技BlogJava-sters</title><link>http://www.blogjava.net/sters/</link><description /><language>zh-cn</language><lastBuildDate>Sun, 31 May 2026 23:10:35 GMT</lastBuildDate><pubDate>Sun, 31 May 2026 23:10:35 GMT</pubDate><ttl>60</ttl><item><title>请问关于class cast的一个问题？急！</title><link>http://www.blogjava.net/sters/archive/2006/05/22/47489.html</link><dc:creator>sters</dc:creator><author>sters</author><pubDate>Mon, 22 May 2006 08:41:00 GMT</pubDate><guid>http://www.blogjava.net/sters/archive/2006/05/22/47489.html</guid><wfw:comment>http://www.blogjava.net/sters/comments/47489.html</wfw:comment><comments>http://www.blogjava.net/sters/archive/2006/05/22/47489.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.blogjava.net/sters/comments/commentRss/47489.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/sters/services/trackbacks/47489.html</trackback:ping><description><![CDATA[在开发中遇到一个问题： 我将class A 的实例o置于一个ArrayList中，在使用时，从ArrayList中取得，但当我使用(A)o 进行类型转换时抛出ClassCastException；使用o instance of A返回false；但跟踪调试时对象o确实是class A的一个实例，为何不能作类型转换？想问问大家有没有碰到这种现象，如何解决。急等反馈，谢谢！<img src ="http://www.blogjava.net/sters/aggbug/47489.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/sters/" target="_blank">sters</a> 2006-05-22 16:41 <a href="http://www.blogjava.net/sters/archive/2006/05/22/47489.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>