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How to permanently export a variable in Linux?
...e following locations:
System-wide persistent variables in the format of JAVA_PATH=/usr/local/java store in
/etc/environment
System-wide persistent variables that reference variables such as
export PATH="$JAVA_PATH:$PATH" store in
/etc/.bashrc
User specific persistent variables in the format o...
Java Swing revalidate() vs repaint()
...e() or revalidate() is mandatory when you do a remove() - see the relevant javadocs.
My own testing indicates that repaint() is also necessary. I'm not sure exactly why.
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Error starting jboss server
... attribute to the parameter tag):
<constructor><parameter class="java.io.File"><inject …
The original version doesn't have the class="java.io.File" attribute.
Pretty sloppy of the JBoss folks, but there you go.
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How to view hierarchical package structure in Eclipse package explorer
...contain only one subpackage) Remark: just saw that i have "Eclipse IDE for Java Developers" on my laptop whilst having "Eclipse Java EE IDE for Web Developers." on my desktop.
– raudi
Aug 10 '11 at 14:01
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Java : Comparable vs Comparator [duplicate]
...
Not the answer you're looking for? Browse other questions tagged java comparator comparable or ask your own question.
Using scanner.nextLine() [duplicate]
...ave been having trouble while attempting to use the nextLine() method from java.util.Scanner.
5 Answers
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Where can I download Jai and Jai-imageio? [closed]
...
Here you go: http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-java-client-419417.html
Maybe this is interessting, too. I saw they provide some extensions:
http://java.net/projects/imageio
I know about Sanselan and ImageJ, too, but d...
How to get file size in Java [duplicate]
...
Use the length() method in the File class. From the javadocs:
Returns the length of the file denoted by this abstract pathname. The return value is unspecified if this pathname denotes a directory.
For the second part of the question, straight from File's javadocs:
ge...
程序员必知 —— 编程语言创始人 - 创意 - 清泛网 - 专注C/C++及内核技术
...称为dmr，这是他在贝尔实验室的用户名称 （username）。
Java创始人
詹姆斯·高斯林（英语：James Gosling，1955年5月19日－），出生于加拿大，软件专家，Java编程语言的共同创始人之一，一般公认他为“Java之父”。
在他12岁的时...
JAVA“无法启动该应用程序”的解决办法 - Python - 清泛IT社区，为创新赋能！
调用虚拟控制台时出现了如下的错误，“无法启动该应用程序”，如下：
是因为JAVA的安全设置问题，进入C:Program Files (x86)Javajre7in，打开javacpl.exe，将安全级别设置为“中”即可。