public String toString() {
    return String.format("ExecBean(stdout=%s, stderr=%s, exitcode=%s)",
               stdout, stderr, exitcode);
  }
Create a new ExecBean.

@param stdout     standard output of the the program.
@param stderr     error output of the the program.
@param exitcode   exit code of the program.
hcatalog/webhcat/svr/src/main/java/org/apache/hive/hcatalog/templeton/ExecBean.java