An J2EE JDBC connection walks into a bar.  The bartender asks, “What’ll it be?” “Nothing right now, thanks,” replies the connection as it makes a bee-line for the billiard tables, “I’m just here for the pool.”

Richard Stallman walks into a bar. Recognizing him, the barkeep asks, “Hey, Richard! What’s GNU?”

A memory slot walks into a bar.  Peering down at its diminutive size, the bartender snorts, “You must be a cheap drunk.”  “Yeah,” concedes the memory slot, “I can really only hold one DRAM.”

An ICMP ping walks into a bar, twiddles its thumbs at a table for a second, then demands, “How long does it take to get a server around here?”

An HTML <TBODY> tag, <THEAD> tag, and <TFOOT> tag walk into a bar and order a round.  When it’s about time for seconds, the bartender notices that he can only see the <TBODY> and <THEAD> at their booth.  “Where’d your friend go?” asks the bartender.  “You mean <TFOOT>?” reply the <TBODY> and <THEAD> tags, “He’s always under the table!”

A web browser walks into a bar where a web server is tickling the ivories at the house piano.  The browser sticks a few bills into the web server’s jar and asks, “You take requests?”

A *nix print job walks into a bar.  After a few rounds, the bartender notices how pie-eyed the job has become and sighs, “In its CUPS again…”

The Java Math class walks into a bar and announces, “Hey, everybody—the next .round() is on me!”

Steve Wozniak walks into the Genius Bar…

A SATA drive and an IDE drive walk into a bar.  After nervously glancing around, the IDE disk drive whispers to the SATA, “Are you sure we want to be here?  This place looks awfully SCSI to me.”