JDeveloper 12c (12.1.2.0.0) Generic Installer, jdev_suite_121200.jar

Question

JDeveloper 12c (12.1.2.0.0) Installation Guide, 36 Pages
http://docs.oracle.com/middleware/1212/jdev/OJDIG/index.html
Section 1.3:
Generic ( Platform Independent ) Installer :
The generic installer ( jdev_suite_121200.jar) can be used to install Oracle JDeveloper Studio on any platform.
To use this installer, you must have the required JDK installed on your system.
Oracle JDeveloper  and ADF 12c (12.1.2) Supported Systems
Last Updated: July 10, 2013
http://www.oracle.com/technetwork/developer-tools/jdev/documentation/1212-cert-1964670.html
Operating System
JDeveloper
ADF
Microsoft Windows 7, 8 (64bit)
Oracle JDK 1.7 Update 15+ (64bit)
Oracle JDK 1.7 Update 15+ (64bit)
I assume the " + " sign means update 15 " or higher ".
So, Logged in as Administrator.
Opened browser at http://www.oracle.com/technetwork/java/javase/downloads/index.html
And Downloaded Java SE JDK Update 40, jdk-7u40-windows-x64.exe
Ran / double clicked the .exe to execute it.
Edited the System PATH variable to include C:\Program Files\Java\jdk1.7.0_40\bin
Verified JDK 7 Update 40 is in the path...
>java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)
Go to http://www.oracle.com/technetwork/developer-tools/jdev/downloads/index.html
Download JDeveloper 12c (12.1.2.0.0)'s Generic ( platform independent ) Installer.
file name = jdev_suite_121200.jar       size = 1,878,404 KB
Open a Command Prompt Window.
Go to downloads directory.
> java -jar jdev_suite_121200.jar
Extracting files...............................................................
This installer must be executed using a Java Development Kit (JDK)
but C:\Program Files\Java\jre7 is not a valid JDK.
The Oracle Universal Installer failed. Exiting.
I don't get it.   Hmmm.

Answer 1

C:\Users\Administrator Michae\Downloads>dir
Directory of C:\Users\Administrator Michae\Downloads
10/06/2013  03:23 PM    <DIR>          .
10/06/2013  03:23 PM    <DIR>          ..
10/06/2013  11:49 AM     1,923,485,057 jdev_suite_121200.jar
10/06/2013  03:22 PM       131,337,120 jdk-7u40-windows-x64.exe
               2 File(s)  2,054,822,177 bytes
               2 Dir(s)  392,842,174,464 bytes free
C:\Users\Administrator Michae\Downloads>java -version
java version "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)
C:\Users\Administrator Michae\Downloads>C:\Program Files\Java\jdk1.7.0_40\bin\java -jar jdev_suite_121200.jar
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
C:\Users\Administrator Michae\Downloads>echo %JAVA_HOME%
C:\Program Files\Java\jdk1.7.0_40
C:\Users\Administrator Michae\Downloads>%JAVA_HOME%\bin\java -jar jdev_suite_121200.jar
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.