In general, the first definition of a class found on the classpath is the one used, but this technique can verify the class definition being used or can be useful when there is a very large ...

JAR files can be made executable so that they can be run with a command line java -jar someJar.jar without the need to specify classpath information or the main executable class in the JAR.

I'm in a Java class that requires us to use JDK1.3.1. The way that we are suppossed to compile is to use the command line and type: javac *.java within the C jdk1.3.1_01\bin directory. I'm trying ...