Run java without specifying classpath on the command line

Question

I\'ve specified the main class and classpath for a java program in the .jar file manifest, but occasionally I want to run a different class from the one specified by the M

Answer 1

Just put the jar file on the command line with -cp; Java will then observe the classpath attribute within the manifest, even though you're not using -jar:

java -cp app.jar MyOtherClass