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This compliant solution redirects the process's error stream to its input stream. Thus, the program can drain the single output stream without fear of blockage.
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public class Exec {
public static void main(String args[]) throws IOException, InterruptedException {
ProcessBuilder pb = new ProcessBuilder("notemaker");
pb = pb.redirectErrorStream(true);
Process proc = pb.start();
InputStream is = proc.getInputStream();
int c;
while ((c = is.read()) != -1)
System.out.print((char) c);
int exitVal = proc.waitFor();
}
}
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