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	<title>Paul Gu&#124;blog &#187; Java</title>
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	<link>http://blog.paulgu.com</link>
	<description>Sharing my world with the world</description>
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		<title>Difference between a Java interface and a Java abstract class</title>
		<link>http://blog.paulgu.com/2008/09/03/difference-between-a-java-interface-and-a-java-abstract-class/</link>
		<comments>http://blog.paulgu.com/2008/09/03/difference-between-a-java-interface-and-a-java-abstract-class/#comments</comments>
		<pubDate>Wed, 03 Sep 2008 12:48:48 +0000</pubDate>
		<dc:creator>Paul Gu</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Developer]]></category>
		<category><![CDATA[Programming]]></category>

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		<description><![CDATA[Methods of a Java interface are implicitly abstract and cannot have implementations. A Java abstract class can have instance methods that implements a default behavior. Variables declared in a Java interface is by default final. A Java abstract class may contain non-final variables. Memebers of a Java interface are public by default. A Java abstract [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>6 Common Errors in Setting Java Heap Size</title>
		<link>http://blog.paulgu.com/2008/07/19/6-common-errors-in-setting-java-heap-size/</link>
		<comments>http://blog.paulgu.com/2008/07/19/6-common-errors-in-setting-java-heap-size/#comments</comments>
		<pubDate>Sat, 19 Jul 2008 12:10:27 +0000</pubDate>
		<dc:creator>Paul Gu</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Programming]]></category>

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		<description><![CDATA[Two JVM options are often used to tune JVM heap size: -Xmx for maximum heap size, and -Xms for initial heap size. Here are some common mistakes I have seen when using them: &#160;&#160;&#160; * Missing m, M, g or G at the end (they are case insensitive). For example, &#160;&#160;&#160;&#160;&#160; java -Xmx128 BigApp&#160;&#160;&#160;&#160;&#160; java.lang.OutOfMemoryError: [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Increase Java heap size</title>
		<link>http://blog.paulgu.com/2008/07/19/increase-java-heap-size/</link>
		<comments>http://blog.paulgu.com/2008/07/19/increase-java-heap-size/#comments</comments>
		<pubDate>Sat, 19 Jul 2008 11:57:52 +0000</pubDate>
		<dc:creator>Paul Gu</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Programming]]></category>

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		<description><![CDATA[If Java runs out of memory, the following error occurs: Exception in thread &#8220;main&#8221; java.lang.OutOfMemoryError: Java heap space This can have two reasons: &#160;&#160;&#160; * Your Java application has a memory leak. There are tools like YourKit Java Profiler that help you to identify such leaks.&#160;&#160;&#160; * Your Java application really needs a lot of [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Debugging Tomcat as an External Tool from Eclipse</title>
		<link>http://blog.paulgu.com/2008/07/18/debugging-tomcat-as-an-external-tool-from-eclipse/</link>
		<comments>http://blog.paulgu.com/2008/07/18/debugging-tomcat-as-an-external-tool-from-eclipse/#comments</comments>
		<pubDate>Fri, 18 Jul 2008 12:51:53 +0000</pubDate>
		<dc:creator>Paul Gu</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Debug]]></category>
		<category><![CDATA[Developer]]></category>
		<category><![CDATA[Eclipse]]></category>
		<category><![CDATA[Programming]]></category>

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		<description><![CDATA[You can also configure Eclipse to be able to start and stop tomcat as a program (this approach also seems to work well on Windows). To configure Eclipse to be able to start and stop tomcat: If you have not already done so, set a breakpoint somewhere in your code (preferably something not associated with [...]]]></description>
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		<title>Setting Up Tomcat For Remote Debugging</title>
		<link>http://blog.paulgu.com/2008/07/18/setting-up-tomcat-for-remote-debugging/</link>
		<comments>http://blog.paulgu.com/2008/07/18/setting-up-tomcat-for-remote-debugging/#comments</comments>
		<pubDate>Fri, 18 Jul 2008 12:21:18 +0000</pubDate>
		<dc:creator>Paul Gu</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Debug]]></category>
		<category><![CDATA[Developer]]></category>
		<category><![CDATA[Eclipse]]></category>

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		<description><![CDATA[To configure tomcat to allow remote debugging, start tomcat using the catalina startup script (from your tomcat home) instead of the normal startup script like so (tomcat must be stopped before you can change over): WIN: set JPDA_ADDRESS=8000set JPDA_TRANSPORT=dt_socketbin/catalina.bat jpda start UNIX: export JPDA_ADDRESS=8000export JPDA_TRANSPORT=dt_socketbin/catalina.sh jpda start We recommend adding this stuff to your startup [...]]]></description>
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