Angular JS can write lesser code than JQuery. And Angular JS can do more stuff than JQuery, especially in the unit test area. These are the two main reasons why a lot of Software Developers / Companies are trying out Angular JS development. But other experienced developers are sticking to the JQuery, since Angular JS is not yet time tested. There are still some hesitations, but there is potential.
Here are some reference links on Angular JS:
– JQuery / Angular JS comparison
– Offical Angular JS page
– Angular JS and Java Backend intergration using REST