In official site exists this faq
And in line
As of v1.3, you may also use the following URL to access the Magento API v2, which has been added to improve compatibility with Java and .NET:
He says that in v2 java is more compatible. I researched and found that there are some ways to connect to java ws magento.
the first: https://github.com/webdevwilson/magento-java
the second: http://code.google.com/p/magja/
Which one do you recommend? Which is easier to implement? why did some tests and got no satisfactory result
I want to know if I can also use the V1 magento ws to connect USING only java