If you extracted .jar to desktop run it by entering java -Xmx1024m -jar C:\Users\youraccountname\Desktop\TheBeginning.jar in cmd.

The game is bad but I was bored. I suck at java. I suck even more at every other language. I'm not really a programmer. I also probably suck at your definition of humor. Still, this site looks interesting, I might stick around. Cheers!