Code snippets for App.data.createBeanCollection,App.data.createMixedBeanCollection,App.data.createRelatedBean

Hi All,

       Can any once brief me about the differences between the

App.data.createBeanCollection,App.data.createMixedBeanCollection,App.data.createRelatedBean.

And provide me code snippets if any Angel Magana

Regards

Sidhu