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how to send command to Command Line?

 
Greenhorn
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Hi, I simply cannot understand and find how to send a command to Command Line from Java.
OK I can Open DOS:
1. Process p=Runtime.getRuntime().exec("cmd /c start");
2. Now How to "cd C:\" + Enter ?
3. send another command "mvn clean install" + Enter

Thanks
 
Rancher
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Welcome to JavaRanch. You can not issue more than one command at a time. The alternative is to write a shell script that executes several commands, and to start that using Runtime.exec. And be sure to follow all advice given in this article.
 
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