I want to learn angular Js and java advance and implementation. Which site is better for that.

Answer 1

AngularJs is pretty much no longer supported by Google, as they have moved on to typescript from Javascript with Angular 2+.
So I recommend you skip AngularJs and go straight to the Angular 2+ or try different Javascript framework. Do note java is not Javascript.
This is discussion where I have linked some Angular 2+ tutorials
https://www.sololearn.com/Discuss/681335/?ref=app

Edit: AngularJs can still be useful if you are porting to Angular 2+, or if you simply need to manage site built with AngularJs.

Answer 2

I have gone through