Ahja, a JavaZone sorozat... :)
2009: https://www.youtube.com/watch?v=8Px-GHPxB4I
2010: https://www.youtube.com/watch?v=1JZnj4eNHXE
2011: https://www.youtube.com/watch?v=5U1_KW6ww7Y
( 2012: https://www.youtube.com/watch?v=HXvm76e2X1Q )
2013: https://www.youtube.com/watch?v=E3418SeWZfQ
2014: https://www.youtube.com/watch?v=3vI_7os2V_o