Z64K (2019/02/14) is released. Pixel exact emulation of the Commodore 64, VIC 20 and Atari 2600 written entirely in Java. The emulators should run on any platform with an updated java runtime environment installed.

Z64K Changelog:
14 February
Added rendering hints to improve display with JRE 9+

Download: Z64 (2019/02/14)
Source:Here