Added Angular and Java Screencasts (EbookFoundation#2690)

Added some great free Portuguese screen-casts courses which I've used in past and some Brazilians have been using.

free-podcasts-screencasts-pt_BR.md

@@ -1,10 +1,17 @@
 ### Index
 
+* [Angular](#angular)
 * [Databases](#databases)
 * [iOS](#ios)
+* [Java](#java)
 * [Language Agnostic](#language-agnostic)
 
 
+### Angular
+
+* [Screencast] - [Loiane - Angular 4](https://www.youtube.com/watch?v=tPOMG0D57S0&list=PLGxZ4Rq3BOBoSRcKWEdQACbUCNWLczg2G)
+
+
 ### Databases
 
 * [Podcast] - [DatabaseCast](http://databasecast.com.br)
@@ -15,6 +22,12 @@
 * [Podcast] - [CocoaHeads](http://www.cocoaheads.com.br/podcasts)
 
 
+### Java
+
+* [Screencast] - [Loiane - Basic Java](https://www.youtube.com/watch?v=LnORjqZUMIQ&list=PLGxZ4Rq3BOBq0KXHsp5J3PxyFaBIXVs3r)
+* [Screencast] - [Loiane - Intermediate Java](https://www.youtube.com/watch?v=EdEKx24xHGc&list=PLGxZ4Rq3BOBoqYyFWOV_YbfBW80YGAGEI)
+
+
 ### Language Agnostic
 
  * [Podcast] - [Castálio Podcast](http://castalio.info)