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#1
May 24th, 2005, 12:22 PM
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Java Commandline Help
Hello, this is a problem which no one can seem to help me on in anyforums. I've seen this done in C,C++ and Java so these are very general questions:
let's say someone types this: Prompt> JavaProgram.jar -h -otherthing Wtf are those options? And how can I use those options in a java program? I mean, do they set variables for default inside the program? Do they set environment variables? If so, how do i code my application to receive options from commandline during execution/before/whenever? Because in alot of commandline progs -h designates help output, how do i code my program to act based on flag inputs during the execution of the program? I'm really confused so if someone could give me a general answer for a general bunch of questions... that'd be very cool.
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#3
May 24th, 2005, 05:32 PM
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ahh, ic, so if I check the array for the tags I can use those options?
would I use the Object[] type? Could you give me an example of retrieving a flag from the array in the main method?
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#4
May 25th, 2005, 09:14 AM
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Off the top of my head and untested:
Code:
public static void main(String[] args) {
for(int i=0;i<args.size();i++) {
System.out.println("Argument "+i+": "+args[i]);
}
}
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