protected void printUsage() {
    final HelpFormatter helpFormatter = new HelpFormatter();
    helpFormatter.setWidth(120);
    final String helpMessageCommand = "hbase " + BulkDataGeneratorTool.class.getName();
    final String commandSyntax = helpMessageCommand + " <OPTIONS> [-D<property=value>]*";
    final String helpMessageSuffix = "Examples:\n" + helpMessageCommand
      + " -t TEST_TABLE -mc 10 -r 100 -sc 10\n" + helpMessageCommand
      + " -t TEST_TABLE -mc 10 -r 100 -sc 10 -d -o \"BACKUP=false,NORMALIZATION_ENABLED=false\"\n"
      + helpMessageCommand + " -t TEST_TABLE -mc 10 -r 100 -sc 10 -Dmapreduce.map.memory.mb=8192\n";
    helpFormatter.printHelp(commandSyntax, "", getOptions(), helpMessageSuffix);
  }
Returns the command line option for {@link BulkDataGeneratorTool}
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/util/bulkdatagenerator/BulkDataGeneratorTool.java