How to List Job Instances in the Java Batch API

import static java.lang.System.out;

import javax.batch.operations.JobOperator;
import javax.batch.runtime.BatchRuntime;
import javax.batch.runtime.JobInstance;

public final class BatchSample {

  public static void main(final String[] args) throws Exception {
    final JobOperator jobOperator = BatchRuntime.getJobOperator();

    for (final JobInstance jobInstance : jobOperator.getJobInstances("samplejob", 0, 10)) // first 10 instances
      out.println(jobInstance.getInstanceId());

  }

}

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