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    #include <stdio.h>
    int main() {
        printf("testing\n");
        return 0;
    }
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    $ cc test.c -o test
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    import java.io.*;
    import java.util.ArrayList;
    
    public class ExecDemo {
        static public String[] runCommand(String cmd)
            throws IOException {
    
            // set up list to capture command output lines
    
            ArrayList list = new ArrayList();
    
            // start command running
   
Process proc = Runtime.getRuntime().exec(cmd);
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