Z64K (2019/05/11)

Z64K (2019/05/08) 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:
11 May - Major update to Full Screen handling (ALT+ENTER)
Fixed some weird behavior when using Java 11 of Windows when toggling full screen mode on setup with 3 monitors.
Full screen settings available under General tab of Global Settings.
New borderless mode (default full screen method).
Multiple monitor support (c128 can have 2 active full screens at the same time)

Download: Z64 (2019/05/11)
Source:Here