optaplanner benchmark code example

Example: optaplanner benchmark

PlannerBenchmarkFactory plannerBenchmarkFactory = PlannerBenchmarkFactory.createFromXmlResource(
                "org/optaplanner/examples/nqueens/benchmark/nqueensBenchmarkConfig.xml");
        PlannerBenchmark plannerBenchmark = benchmarkFactory.buildPlannerBenchmark();
        plannerBenchmark.benchmark();