Re: [問題] jar 能否加上類似 Xmx 的參數
※ 引述《pao0111 (Pao)》之銘言：
: ※ 引述《tkcn (小安)》之銘言：
: : 最近替案主寫了一個小工具，
: : 為了案主方便，所以我是把程式包成 jar，點兩下就可執行
: : 但是這支程式，需要用到大量的記憶體，
: : 因此，我想請問除了在 console 下 -Xmx 參數外，
: : 有沒有其他的方式能夠設定某 jar 使用的記憶體大小，
: : 例如修改 manifest 之類的？
: 我的搞笑方法...
搞笑完
還是打個廣告好了
http://jakarta.apache.org/commons/launcher/index.html
The Launcher Component
The Launcher Component is designed to be a cross platform Java application
launcher.
The original Java classes come from the Jakarta Tomcat 4.0 project.
Commons-launcher eliminates the need for a batch or shell script to launch a
Java class. Some situations where elimination of a batch or shell script may
be desirable are:
* You want to avoid having to determining where certain application paths
are e.g. your application's home directory, etc. Determining this dynamically
in a Windows batch scripts is very tricky on some versions of Windows or when
softlinks are used on Unix platforms.
* You want to avoid having to handle native file and path separators or
native path quoting issues.
* You need to enforce certain system properties e.g. java.endorsed.dirs
when running with JDK 1.4.
* You want to allow users to pass in custom JVM arguments or system
properties without having to parse and reorder arguments in your script. This
can be tricky and/or messy in batch and shell scripts.
* You want to bootstrap system properties from a configuration file
instead hard-coding them in your batch and shell scripts.
* You want to provide localized error messages which is very tricky to do
in batch and shell scripts.
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