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How to create a windows service from java app
I've just inherited a java application that needs to be installed as a service on XP and vista. It's been about 8 years since I've used windows in any form and I've never had to create a service, let alone from something like a java app (I've got a jar for the app and a single dependency jar - log4j...
What are the -Xms and -Xmx parameters when starting JVM?
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The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), while Xms specifies the initial memory allocation pool.
This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory. For example, s...
Can we write our own iterator in Java?
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Sure. An iterator is just an implementation of the java.util.Iterator interface. If you're using an existing iterable object (say, a LinkedList) from java.util, you'll need to either subclass it and override its iterator function so that you return your own, or provide a mean...
How can I play sound in Java?
...ed. Have a look: stackoverflow.com/questions/577724/trouble-playing-wav-in-java/…
– yanchenko
Feb 23 '09 at 15:40
3
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Java maximum memory on Windows XP
I've always been able to allocate 1400 megabytes for Java SE running on 32-bit Windows XP (Java 1.4, 1.5 and 1.6).
13 Answe...
Getting “unixtime” in Java
...an 1, 1970. Unixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
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How do I analyze a .hprof file?
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You can use JHAT, The Java Heap Analysis Tool provided by default with the JDK. It's command line but starts a web server/browser you use to examine the memory. Not the most user friendly, but at least it's already installed most places you'll g...
Difference between mkdir() and mkdirs() in java for java.io.File [closed]
...kdirs() also creates parent directories in the path this File represents.
javadocs for mkdirs():
Creates the directory named by this abstract pathname, including any
necessary but nonexistent parent directories. Note that if this
operation fails it may have succeeded in creating some of the...
Java string split with “.” (dot) [duplicate]
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"." is a special character in java regex engine, so you have to use "\\." to escape this character:
final String extensionRemoved = filename.split("\\.")[0];
I hope this helps
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Java 调用外部进程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Java 调用外部进程最近需要用Java写一个调用外部应用的程序，也就是说要在Java程序中调用外部应用(.exe)。起初直接使用Runtime.getRuntime().exec(String co...最近需要用Java写一个调用外部应用的程序，也就是说要在Java程序中调用外部应...