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Install JDeveloper 11g on Mac OS 10.7

让W510折腾得每天老是肩膀疼，而且觉得总不能老是把Mac Air当成在StarBucks装13工具，总得把它用起来吧。周末开始在Mac上折腾开发环境，Eclipse解压后就能运行，但是装JDeveloper还是费点劲才弄好。。
1. 首先确认JDK已正确安装，在终端窗口运行"java -version"，如果没有安装可按系统向导步骤进行安装；
2.确认Java 1.6是默认的JDK，打开实用工具--->Java 偏好设置，Java SE 6 64位应该在第一位，如果否调整64位JDK至第一位。
3.创建Symbol Link
cd /SystemLibrary/Frameworks/JavaVM.framework/Versions/1.6.0/Home/
sudo mkdir jre
cd jre
sudo mkdir lib
cd lib
sudo ln -s ../../../Classes/classes.jar rt.jar

3. 现在在终端窗口运行Java -version，提示信息类似如下：
java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04-415-11M3635)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_31-b01-415, mixed mode)

4.到OTN网站http://www.oracle.com/technetwork/developer-tools/jdev/downloads/index.html 下载JDeveloper 11g 11.1. 1.6.0的通用版本jdevstudio11116install.jar。

5. 运行jdevstudio11116install.jar，安装程序正确找到本地JDK，下一步下一步即可完成安装。
 更详尽的信息可以在https://blogs.oracle.com/shay/entry/installing_jdeveloper_on_mac_os 找到， thanks Shay。
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