Win7 jar file does not open the way to solve

Win7 jar file does not open the way to solve

The first method:
Step one: Create a new text document, enter the content "Javaw-jar%1", and save it as a batch file, such as "Run.bat".
Step Two: Right click on the. jar format file and select its open mode for the above built Run.bat.
The jar will now run.
The second method:
The first approach solves the problem, but there are some shortcomings, and here's a better approach: fix the problem by modifying the registry.
Step One: Open the registry, start and run (or use the shortcut key win+r), enter regedit, determine
Step Two: Edit the registry: Hkey_classes_root\applications\javaw.exe\shell\open\command, modify the data value to ["C: \program Files\java\jdk1.6.0_ 21st
\jre\bin\javaw.exe "-jar"%1 "(in square brackets, just add –jar before"%1 "of the original value).
Step three: Select the default program:. jar file Right-click, open with, select default program, browse, check the JRE under the bin file Javaw.exe.

Win7 jar file does not open the way to solve