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package joptsimple.examples;
import joptsimple.OptionParser;
public class RequiredUnlessExample {
public static void main( String[] args ) {
OptionParser parser = new OptionParser();
parser.accepts( "anonymous" );
parser.accepts( "username" ).requiredUnless( "anonymous" ).withRequiredArg();
parser.accepts( "password" ).requiredUnless( "anonymous" ).withRequiredArg();
parser.parse( "--anonymous" );
}
}
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