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J. Random /J rand´m/, n. [common; generalized from {J. Random Hacker}] Arbitrary; ordinary; any one; any old. 'J. Random' is often prefixed to a noun to make a name out of it. It means roughly some particular or any specific one. "Would you let J. Random Loser marry your daughter?" The most common uses are 'J. Random Hacker', 'J. Random Loser', and 'J. Random Nerd' ("Should J. Random Loser be allowed to kill other peoples' processes?"), but it can be used simply as an elaborate version of {random} in any sense.
J. Random Hacker /J rand´m hak´r/, n. [very common] A mythical figure like the Unknown Soldier; the archetypal hacker nerd. This term is one of the oldest in the jargon, apparently going back to MIT in the 1960s. See {random}, {Suzie COBOL}. This may originally have been inspired by 'J. Fred Muggs', a show-biz chimpanzee whose name was a household word back in the early days of {TMRC}, and was probably influenced by 'J. Presper Eckert' (one of the co-inventors of the electronic computer). See also {Fred Foobar}.
jack in v. To log on to a machine or connect to a network or {BBS}, esp. for purposes of entering a {virtual reality} simulation such as a {MUD} or {IRC} (leaving is "jacking out"). This term derives from {cyberpunk} SF, in which it was used for the act of plugging an electrode set into neural sockets in order to interface the brain directly to a virtual reality. It is primarily used by MUD and IRC fans and younger hackers on BBS systems.
jaggies /jag´eez/, n. The 'stairstep' effect observable when an edge (esp. a linear edge of very shallow or steep slope) is rendered on a pixel device (as opposed to a vector display).
Java . An object-oriented language originally developed at Sun by James Gosling (and known by the name "Oak") with the intention of being the successor to {C++} (the project was however originally sold to Sun as an embedded language for use in set-top boxes). After the great Internet explosion of 1993-1994, Java was hacked into a byte-interpreted language and became the focus of a relentless hype campaign by Sun, which touted it as the new language of choice for distributed applications. Java is indeed a stronger and cleaner design than C++ and has been embraced by many in the hacker community -- but it has been a considerable source of frustration to many others, for reasons ranging from uneven support on different Web browser platforms, performance issues, and some notorious deficiencies in some of the standard toolkits (AWT in particular). {Microsoft}'s determined attempts to corrupt the language (which it rightly sees as a threat to its OS monopoly) have not helped. As of 2003, these issues are still in the process of being resolved. Despite many attractive features and a good design, it is difficult to find people willing to praise Java who have tried to implement a complex, real-world system with it (but to be fair it is early days yet, and no other language has ever been forced to spend its childhood under the limelight the way Java has). On the other hand, Java has already been a big {win} in academic circles, where it has taken the place of {Pascal} as the preferred tool for teaching the basics of good programming to the next generation of hackers.
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