今年早些时候，黑莓推出了不需要BES，类似于苹果的产品推服务。它的有一个Java SDK。你可以在这里找到更多信息：http://na.blackberry.com/eng/developers/javaappdev/pushapi.jsp#tab_tab_overview

Earlier this year Blackberry launched a push service that does not require a BES, similar to Apple's offering. The have a Java SDK for it. You can find more information here: http://na.blackberry.com/eng/developers/javaappdev/pushapi.jsp#tab_tab_overview