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 Main-Class
attribute. Can I get java to launch this class while still pulling the classpath from the manifest, so that I don't have to specify the whole thing on the command line with -cp
?
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
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