I installed java today and created the traditional hello world console application called first.java. I set the PATH stuff and whatnot, and the Sun tutorial says type in "javac first.java".

A Java Archive, or JAR file, contains all of the various components that make up a self-contained, executable Java application, deployable Java applet or, most commonly, a Java library to which any ...

Java versioning has never made a lot of sense. The last time it did was back in the late 1990s, when the first full increment product release, Java 1.0, carried the same version number as the ...