JSS - Java-script Style Sheet

JTAPI - Java Telephony Application Programming Interface

JTLW - Java Type Library Wizard

JTM - Job Transfer and Manipulation

JTS - Java Transaction Service

JUGHEAD - Jonzy's Universal Gopher Hierarchy Excavation And Display

JVM - Java Virtual Machine

JWS - Java Workshop

JWS - Java Web Server

JZ - Jump if Zero