fixed issues 445, add a method 'addSubcommand'

cbeust / jcommander

Command line parsing framework for Java

Apache License 2.0

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fixed issues 445, add a method 'addSubcommand' #522

Open Asriter opened 3 years ago

Asriter commented 3 years ago

I fixed the issues #445 and add a method named 'addSubcommand'. It can add a subcommand for the command added by user but the defult command. And the command like 'myprogram command subcommand --flag1 --flag2' can run successfully by calling this method