public MyForkCommands() {
sequentially(new CommandA(),
new CommandB(),
fork(new Command C()),
new CommandD());
new sequentially( new CommandE(), new CommandF()));
}
The surrounding text implies that E and F commands should be in "simultaneously(...)", not a "new sequentially(...)".
https://strongback.gitbooks.io/using-strongback/content/using_commands.html
The 4th example under "Using CommandGroup" is:
The surrounding text implies that E and F commands should be in "simultaneously(...)", not a "new sequentially(...)".