Oracle jdeveloper 11g installation on Mac

1. Go to the official website of Apple to download and support your system Java. You need to install the lion system separately. Snow Leopard comes with Java and only needs to update the new version.

The address is this http://support.apple.com/downloads/

2. If your account is not an administrator and has no password, change the account configuration to an administrator and add a password.

3. Open the terminal. Terminal inProgram-Utilites

Enter the following command

CD/system/library/frameworks/JavaVM. Framework/versions/1.6/home/

Sudo mkdir-p jre/lib

Cd jre/lib sudo ln-S ../classes. Jar Rt. Jar

Then run the Oracle jdeveloper 11 installation program.