ssh - Running scp command from java application without api -

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i running script send files 1 server using scp .i want use plain ssh no libraries. 

cmd.exe scp location/ user@v40054a.vstage.co:/path

below code

 p = runtime.getruntime().exec(command);  int = p.waitfor();  system.out.println(" start 1 "+a);  string line = "";  string outp = "";   bufferedreader b1 = new bufferedreader(new   inputstreamreader(p.getinputstream()));   bufferedwriter w1 = new bufferedwriter(new outputstreamwriter(p.getoutputstream()));  w1.write("password");

it seems program waits input password . can not figure out way give input process . how can . goal give input process application . out using keys or library . can done ?


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